Company lists · Data refreshed September 2026
Top 25 Charter high schools worldwide
RevenueBase identified 2,998 company matches for charter high schools worldwide as of September 2026 and tracks 139,761 professional contacts across them, including 57,189 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for charter high schools worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026. Country and city lists for charter high schools follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest charter high schools worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,988 contacts → | ||||
Exact match “IDEA Public Schools believes that each child can go to college.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 3,745 contacts → | ||||
Exact match “The Beacon School offers an inquiry-based college-preparatory program with technology and arts infused throughout the curriculum.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 3,666 contacts → | ||||
Exact match “National Heritage Academies (NHA) partners with community groups to build and operate public charter schools.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 3,014 contacts → | ||||
Exact match “Since 2006, Success Academy has tackled educational inequities head-on by providing exceptional public education for K-12 students in New York City.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 2,933 contacts → | ||||
Exact match “Harmony Public Schools is a network of PreK-12 college preparatory public charter schools across Texas.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 2,519 contacts → | ||||
Exact match “KIPP Texas Public Schools is an open-enrollment, free public charter school network of 54 schools with more than Pre-K – 12 students across the state and an impact of 30 years in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 1,976 contacts → | ||||
Exact match “We believe a college degree should be within reach for every young person in this nation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 1,695 contacts → | ||||
Exact match “Uplift Education (Uplift) is a 501(c)(3) nonprofit organization that operates a network of 45 high-performing, tuition-free, public charter schools serving students in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 1,431 contacts → | ||||
Exact match “Achievement First is a growing network of non-profit, high-performing, college-preparatory, K to 12 public charter schools in Connecticut, New York and Rhode Island.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 1,316 contacts → | ||||
Exact match “International Leadership of Texas (ILTexas) is a free, public charter school serving K-12 students across 26 campuses in the DFW, Houston, Liberty County, and College Station…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 1,214 contacts → | ||||
Exact match “Imagine Schools is a national non-profit network of 54 public charter campuses educating approximately students in 8 states and the District of Columbia.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 1,147 contacts → | ||||
Exact match “Aspire now has 36 community-based schools serving over students in California.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 1,103 contacts → | ||||
Exact match “Our story began in 1998 when we, as a non-profit organization, were granted charters to open 15 dropout recovery and prevention schools.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 1,093 contacts → | ||||
Exact match “Since its inception, Great Hearts has been on a mission to become a national leader in public charter schools.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 1,087 contacts → | ||||
Exact match “Ignite your desire to be the best!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 1,031 contacts → | ||||
Exact match “Mastery Charter Schools and Mastery Schools of Camden form a non-profit school network of charter, turnaround and renaissance schools in Philadelphia, PA and Camden, NJ, serving…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 928 contacts → | ||||
Exact match “BASIS Charter Schools have been raising the level of American education to the highest international standards for more than 20 years, since our first school opened in 1998.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 895 contacts → | ||||
Exact match “At KIPP DC schools, students develop the knowledge, skills, and confidence to become Washington DC’s next generation of leaders.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 879 contacts → | ||||
Exact match “Founded in 1995, KIPP NYC operates 18 schools in the Bronx, Brooklyn, and Manhattan, and supports alumni through its signature KIPP Forward program, as part of the national…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 878 contacts → | ||||
Exact match “Work Hard.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 877 contacts → | ||||
Exact match “Alliance College-Ready Public Schools was founded in 2004 on the belief that all children – regardless of ZIP code, income, ability, or background – are capable of achieving at…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 836 contacts → | ||||
Exact match “Noble is a nonprofit organization that runs 17 charter public high schools and one middle school in the city of Chicago.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 832 contacts → | ||||
Exact match “Dayton Public Schools is an urban district with approximately students in preschool through high school.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 806 contacts → | ||||
Exact match “KIPP SoCal Public Schools is a nonprofit organization that operates 24 tuition-free, open-enrollment charter public schools, within 20 Local Education Agencies, educating more…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 795 contacts → | ||||
Exact match “Somerset Academy, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “charter high schools”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,998 charter high schools worldwide
See the full list, filter by size, metro and specialty, and access 57,189 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Charter high schools worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for charter high schools are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “charter high schools” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 57,189 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Charter high schools by location
13 lists · largest firstEvery Charter high schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Charter high schools based in the United States2,429
- Charter high schools based in Brazil42
- Charter high schools based in the United Kingdom31
Cities
- Charter high schools based in New York, United States76
- Charter high schools based in Los Angeles, United States62
- Charter high schools based in Chicago, United States55
- Charter high schools based in Bronx, United States44
- Charter high schools based in Houston, United States42
- Charter high schools based in Philadelphia, United States36
- Charter high schools based in Phoenix, United States35
- Charter high schools based in Washington, United States29
- Charter high schools based in Memphis, United States26
- Charter high schools based in Miami, United States26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “charter high schools”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many charter high schools are there worldwide?
RevenueBase identified 2,998 company matches for charter high schools worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Idea Public Schools tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most charter high schools?
The United States leads with 2,429 companies, followed by Brazil (42) and the United Kingdom (31). Every charter high schools list by country and city is linked on this page.
Which city has the most charter high schools?
New York leads with 76 company records, followed by Los Angeles (62) and Chicago (55).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 57,189 professional contacts with verified work emails tracked across these 2,998 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,998 charter high schools worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 25 charter high schools worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,998 matching company records for charter high schools worldwide, with 139,761 tracked contacts and 57,189 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 charter high schools worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Idea Public Schoolsideapublicschools.orgHQ: Weslaco, TX, United StatesReported employees: 10001+ | Weslaco, TX, United States | 10001+ | Exact match | 4,988 contacts → |
“IDEA Public Schools believes that each child can go to college.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NYC Board Of Educationbeaconschool.orgHQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 3,745 contacts → |
“The Beacon School offers an inquiry-based college-preparatory program with technology and arts infused throughout the curriculum.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  National Heritage Academiesnhaschools.comHQ: Grand Rapids, MI, United StatesReported employees: 5,001-10,000 | Grand Rapids, MI, United States | 5,001-10,000 | Exact match | 3,666 contacts → |
“National Heritage Academies (NHA) partners with community groups to build and operate public charter schools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Success Academy Charter Schoolssuccessacademies.orgHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 3,014 contacts → |
“Since 2006, Success Academy has tackled educational inequities head-on by providing exceptional public education for K-12 students in New York City.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Harmony Public Schoolsharmonytx.orgHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,933 contacts → |
“Harmony Public Schools is a network of PreK-12 college preparatory public charter schools across Texas.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kipp Texas Public Schoolskipptexas.orgHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,519 contacts → |
“KIPP Texas Public Schools is an open-enrollment, free public charter school network of 54 schools with more than Pre-K – 12 students across the state and an impact of 30 years in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Uncommon Schoolsuncommonschools.orgHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,976 contacts → |
“We believe a college degree should be within reach for every young person in this nation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Uplift Educationuplifteducation.orgHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,695 contacts → |
“Uplift Education (Uplift) is a 501(c)(3) nonprofit organization that operates a network of 45 high-performing, tuition-free, public charter schools serving students in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Achievement Firstachievementfirst.orgHQ: Brooklyn, United StatesReported employees: 1,001-5,000 | Brooklyn, United States | 1,001-5,000 | Exact match | 1,431 contacts → |
“Achievement First is a growing network of non-profit, high-performing, college-preparatory, K to 12 public charter schools in Connecticut, New York and Rhode Island.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  International Leadership Of Texasiltexas.orgHQ: Richardson, TX, United StatesReported employees: 1,001-5,000 | Richardson, TX, United States | 1,001-5,000 | Exact match | 1,316 contacts → |
“International Leadership of Texas (ILTexas) is a free, public charter school serving K-12 students across 26 campuses in the DFW, Houston, Liberty County, and College Station…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Imagine Schoolsimagineschools.org HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,214 contacts → |
“Imagine Schools is a national non-profit network of 54 public charter campuses educating approximately students in 8 states and the District of Columbia.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Aspire Public Schoolsaspirepublicschools.orgHQ: Oakland, CA, United StatesReported employees: 1,001-5,000 | Oakland, CA, United States | 1,001-5,000 | Exact match | 1,147 contacts → |
“Aspire now has 36 community-based schools serving over students in California.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Responsive Education Solutionsresponsiveed.comHQ: Lewisville, TX, United StatesReported employees: 1,001-5,000 | Lewisville, TX, United States | 1,001-5,000 | Exact match | 1,103 contacts → |
“Our story began in 1998 when we, as a non-profit organization, were granted charters to open 15 dropout recovery and prevention schools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Great Hearts Academiesgreatheartsamerica.orgHQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,093 contacts → |
“Since its inception, Great Hearts has been on a mission to become a national leader in public charter schools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Legacy Traditional Schoolslegacytraditional.org HQ: Chandler, AZ, United StatesReported employees: 1,001-5,000 | Chandler, AZ, United States | 1,001-5,000 | Exact match | 1,087 contacts → |
“Ignite your desire to be the best!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mastery Schoolsmasterycharter.orgHQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 1,031 contacts → |
“Mastery Charter Schools and Mastery Schools of Camden form a non-profit school network of charter, turnaround and renaissance schools in Philadelphia, PA and Camden, NJ, serving…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Basis EDbasised.comHQ: Scottsdale, AZ, United StatesReported employees: 1,001-5,000 | Scottsdale, AZ, United States | 1,001-5,000 | Exact match | 928 contacts → |
“BASIS Charter Schools have been raising the level of American education to the highest international standards for more than 20 years, since our first school opened in 1998.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Kipp DCkippdc.orgHQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 895 contacts → |
“At KIPP DC schools, students develop the knowledge, skills, and confidence to become Washington DC’s next generation of leaders.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Kipp NYCkippnyc.org HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 879 contacts → |
“Founded in 1995, KIPP NYC operates 18 schools in the Bronx, Brooklyn, and Manhattan, and supports alumni through its signature KIPP Forward program, as part of the national…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kipp Foundationkipp.orgHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 878 contacts → |
“Work Hard.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Alliance College-Ready Public Schoolslaalliance.orgHQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 877 contacts → |
“Alliance College-Ready Public Schools was founded in 2004 on the belief that all children – regardless of ZIP code, income, ability, or background – are capable of achieving at…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Noble Schoolsnobleschools.orgHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 836 contacts → |
“Noble is a nonprofit organization that runs 17 charter public high schools and one middle school in the city of Chicago.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dayton Public School Districtdps.k12.oh.us HQ: Dayton, OH, United StatesReported employees: 1,001-5,000 | Dayton, OH, United States | 1,001-5,000 | Exact match | 832 contacts → |
“Dayton Public Schools is an urban district with approximately students in preschool through high school.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kipp Socal Public Schoolskippsocal.orgHQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 806 contacts → |
“KIPP SoCal Public Schools is a nonprofit organization that operates 24 tuition-free, open-enrollment charter public schools, within 20 Local Education Agencies, educating more…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Somerset Academy Charter Schoolssomersetacademyschools.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 795 contacts → |
“Somerset Academy, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,998 company matches
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Charter high schools: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,974 records in the displayed employee bands.
24 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,998 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Charter high schools by location
13 lists · largest firstEvery Charter high schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Charter high schools based in the United States2,429
- Charter high schools based in Brazil42
- Charter high schools based in the United Kingdom31
Cities
- Charter high schools based in New York, United States76
- Charter high schools based in Los Angeles, United States62
- Charter high schools based in Chicago, United States55
- Charter high schools based in Bronx, United States44
- Charter high schools based in Houston, United States42
- Charter high schools based in Philadelphia, United States36
- Charter high schools based in Phoenix, United States35
- Charter high schools based in Washington, United States29
- Charter high schools based in Memphis, United States26
- Charter high schools based in Miami, United States26
Questions about this company list
What does Exact match mean for charter high schools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many charter high schools did RevenueBase find worldwide?
The saved snapshot records 2,998 matching company records, 139,761 tracked contacts and 57,189 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 charter high schools worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/charter-high-schools.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 charter high schools worldwide
RevenueBase records 2,998 matching company records for charter high schools worldwide, with 139,761 tracked contacts and 57,189 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 charter high schools worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Idea Public Schoolsideapublicschools.org HQ: Weslaco, TX, United StatesReported employees: 10001+ | Weslaco, TX, United States | 10001+ | Exact match | 4,988 contacts → |
“IDEA Public Schools believes that each child can go to college.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NYC Board Of Educationbeaconschool.org HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 3,745 contacts → |
“The Beacon School offers an inquiry-based college-preparatory program with technology and arts infused throughout the curriculum.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | National Heritage Academiesnhaschools.com HQ: Grand Rapids, MI, United StatesReported employees: 5,001-10,000 | Grand Rapids, MI, United States | 5,001-10,000 | Exact match | 3,666 contacts → |
“National Heritage Academies (NHA) partners with community groups to build and operate public charter schools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Success Academy Charter Schoolssuccessacademies.org HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 3,014 contacts → |
“Since 2006, Success Academy has tackled educational inequities head-on by providing exceptional public education for K-12 students in New York City.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Harmony Public Schoolsharmonytx.org HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,933 contacts → |
“Harmony Public Schools is a network of PreK-12 college preparatory public charter schools across Texas.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kipp Texas Public Schoolskipptexas.org HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,519 contacts → |
“KIPP Texas Public Schools is an open-enrollment, free public charter school network of 54 schools with more than Pre-K – 12 students across the state and an impact of 30 years in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Uncommon Schoolsuncommonschools.org HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,976 contacts → |
“We believe a college degree should be within reach for every young person in this nation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Uplift Educationuplifteducation.org HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,695 contacts → |
“Uplift Education (Uplift) is a 501(c)(3) nonprofit organization that operates a network of 45 high-performing, tuition-free, public charter schools serving students in…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Achievement Firstachievementfirst.org HQ: Brooklyn, United StatesReported employees: 1,001-5,000 | Brooklyn, United States | 1,001-5,000 | Exact match | 1,431 contacts → |
“Achievement First is a growing network of non-profit, high-performing, college-preparatory, K to 12 public charter schools in Connecticut, New York and Rhode Island.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | International Leadership Of Texasiltexas.org HQ: Richardson, TX, United StatesReported employees: 1,001-5,000 | Richardson, TX, United States | 1,001-5,000 | Exact match | 1,316 contacts → |
“International Leadership of Texas (ILTexas) is a free, public charter school serving K-12 students across 26 campuses in the DFW, Houston, Liberty County, and College Station…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Imagine Schoolsimagineschools.org HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,214 contacts → |
“Imagine Schools is a national non-profit network of 54 public charter campuses educating approximately students in 8 states and the District of Columbia.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aspire Public Schoolsaspirepublicschools.org HQ: Oakland, CA, United StatesReported employees: 1,001-5,000 | Oakland, CA, United States | 1,001-5,000 | Exact match | 1,147 contacts → |
“Aspire now has 36 community-based schools serving over students in California.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Responsive Education Solutionsresponsiveed.com HQ: Lewisville, TX, United StatesReported employees: 1,001-5,000 | Lewisville, TX, United States | 1,001-5,000 | Exact match | 1,103 contacts → |
“Our story began in 1998 when we, as a non-profit organization, were granted charters to open 15 dropout recovery and prevention schools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Great Hearts Academiesgreatheartsamerica.org HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,093 contacts → |
“Since its inception, Great Hearts has been on a mission to become a national leader in public charter schools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Legacy Traditional Schoolslegacytraditional.org HQ: Chandler, AZ, United StatesReported employees: 1,001-5,000 | Chandler, AZ, United States | 1,001-5,000 | Exact match | 1,087 contacts → |
“Ignite your desire to be the best!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mastery Schoolsmasterycharter.org HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 1,031 contacts → |
“Mastery Charter Schools and Mastery Schools of Camden form a non-profit school network of charter, turnaround and renaissance schools in Philadelphia, PA and Camden, NJ, serving…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Basis EDbasised.com HQ: Scottsdale, AZ, United StatesReported employees: 1,001-5,000 | Scottsdale, AZ, United States | 1,001-5,000 | Exact match | 928 contacts → |
“BASIS Charter Schools have been raising the level of American education to the highest international standards for more than 20 years, since our first school opened in 1998.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Kipp DCkippdc.org HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 895 contacts → |
“At KIPP DC schools, students develop the knowledge, skills, and confidence to become Washington DC’s next generation of leaders.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Kipp NYCkippnyc.org HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 879 contacts → |
“Founded in 1995, KIPP NYC operates 18 schools in the Bronx, Brooklyn, and Manhattan, and supports alumni through its signature KIPP Forward program, as part of the national…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kipp Foundationkipp.org HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 878 contacts → |
“Work Hard.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Alliance College-Ready Public Schoolslaalliance.org HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 877 contacts → |
“Alliance College-Ready Public Schools was founded in 2004 on the belief that all children – regardless of ZIP code, income, ability, or background – are capable of achieving at…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Noble Schoolsnobleschools.org HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 836 contacts → |
“Noble is a nonprofit organization that runs 17 charter public high schools and one middle school in the city of Chicago.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dayton Public School Districtdps.k12.oh.us HQ: Dayton, OH, United StatesReported employees: 1,001-5,000 | Dayton, OH, United States | 1,001-5,000 | Exact match | 832 contacts → |
“Dayton Public Schools is an urban district with approximately students in preschool through high school.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kipp Socal Public Schoolskippsocal.org HQ: Los Angeles, CA, United StatesReported employees: 1,001-5,000 | Los Angeles, CA, United States | 1,001-5,000 | Exact match | 806 contacts → |
“KIPP SoCal Public Schools is a nonprofit organization that operates 24 tuition-free, open-enrollment charter public schools, within 20 Local Education Agencies, educating more…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Somerset Academy Charter Schoolssomersetacademyschools.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 795 contacts → |
“Somerset Academy, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Charter high schools: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,974 records in the displayed employee bands.
24 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,998 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Charter high schools by location
13 lists · largest firstEvery Charter high schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Charter high schools based in the United States2,429
- Charter high schools based in Brazil42
- Charter high schools based in the United Kingdom31
Cities
- Charter high schools based in New York, United States76
- Charter high schools based in Los Angeles, United States62
- Charter high schools based in Chicago, United States55
- Charter high schools based in Bronx, United States44
- Charter high schools based in Houston, United States42
- Charter high schools based in Philadelphia, United States36
- Charter high schools based in Phoenix, United States35
- Charter high schools based in Washington, United States29
- Charter high schools based in Memphis, United States26
- Charter high schools based in Miami, United States26
Questions about this company list
What does Exact match mean for charter high schools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many charter high schools did RevenueBase find worldwide?
The saved snapshot records 2,998 matching company records, 139,761 tracked contacts and 57,189 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 charter high schools worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/charter-high-schools.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗