Company lists · Data refreshed September 2026
Top 18 Charter high schools based in Philadelphia, United States
RevenueBase identified 36 company matches for charter high schools associated with Philadelphia, United States as of September 2026 and tracks 2,549 professional contacts across them, including 1,465 with verified work emails. Across the United States, New York is the largest hub for this category (76 companies); Philadelphia has 36.
This list covers company matches for charter high schools associated with Philadelphia, United States, 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.
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 18 largest charter high schools based in Philadelphia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 248 contacts → | ||||
Exact match “KIPP Philadelphia Public Schools is a network of nine free public charter schools that opened its doors in 2003.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 143 contacts → | ||||
Exact match “Since Freire Schools has been a catalyst for unlocking the potential of some of Philadelphia and Wilmington’s most underserved youth.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 119 contacts → | ||||
Exact match “String Theory Schools is a premier education management organization committed to empowering students with the skills and knowledge to excel in all aspects of life.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 101 contacts → | ||||
Exact match “YouthBuild Philadelphia Charter School is a 501(c)(3) organization with over 30 years of experience helping young people rebuild their lives.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 93 contacts → | ||||
Exact match “New Foundations Charter School is a free, public charter school serving grades K-12 in Philadelphia.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 93 contacts → | ||||
Exact match “All students draw upon their passion, motivation and life experience to become independent, adaptive problem solvers, powerful thinkers, effective communicators, and meaningful…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 70 contacts → | ||||
Exact match “Our Mission: Franklin Towne Charter High School allows students to pursue pathways of learning which are respective to their personal interests, from the humanities to STEM, in an…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 55 contacts → | ||||
Exact match “Maritime Academy Charter School is a successful K-12 public charter school currently operating at two locations in Philadelphia; 2275 Bridge Street in the Tacony Section and 2700…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 54 contacts → | ||||
Exact match “The vision of Southwest Leadership Academy Charter School is to build leaders one child at a time by changing their definition of reality.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 50 contacts → | ||||
Exact match “TACONY ACADEMY CHARTER SCHOOL is a Public Charter School based out of our Elementary School at 1330 RHAWN ST, PHILADELPHIA, PA In addition, our High School is located at 6201…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 50 contacts → | ||||
Exact match “Philadelphia Electrical & Technology is Charter High School established in 2002 with a mission to prepare students for employment in the 21st Century.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 45 contacts → | ||||
Exact match “Richard Allen Preparatory Charter School mission is to create a safe and healthy learning environment for middle school youth to develop into responsible participants in their…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match “Scholar Academies transforms low-performing schools so every child has the knowledge and character to pursue the path to college and opportunities beyond.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 27 contacts → | ||||
Exact match “Deep Roots is an actively anti-racist and inclusive organization.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 20 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “A public high school (Grades 9-12) founded in 1998, the Multicultural Academy Charter School (MACS) provides a safe and family-like environment where every child is given the…” 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 18 of 36 charter high schools based in Philadelphia, United States
See the full list, filter by size, metro and specialty, and access 1,465 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Charter high schools based in Philadelphia, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 36 companies.
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.
- What qualifies
- Company records associated with Philadelphia, United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,465 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 metro in the United States
- Charter high schools in New York76
- Charter high schools in Los Angeles62
- Charter high schools in Chicago55
- Charter high schools in Bronx44
- Charter high schools in Houston42
- Charter high schools in Phoenix35
- Charter high schools in Washington29
- Charter high schools in Memphis26
- Charter high schools in Miami26
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 based in Philadelphia, United States?
RevenueBase identified 36 company matches for charter high schools associated with Philadelphia, United States 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?
Mastery Schools tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most charter high schools?
New York leads the United States with 76 company records, followed by Los Angeles (62) and Chicago (55). Philadelphia has 36.
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 1,465 professional contacts with verified work emails tracked across these 36 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 36 charter high schools based in Philadelphia, United States. Start with a free account, no credit card.
Download this list →Related lists
Charter high schools by geography
- Charter high schools based in Bronx, United States
- Charter high schools based in Chicago, United States
- Charter high schools based in Houston, United States
- Charter high schools based in Los Angeles, United States
- Charter high schools based in Memphis, United States
- Charter high schools based in Miami, United States
- Charter high schools based in New York, United States
- Charter high schools based in Phoenix, United States
- Charter high schools based in Washington, United States
- Charter high schools based in Brazil
- Charter high schools based in the United Kingdom
- Charter high schools based in the United States
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.
More company lists
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- Lists A-Z
- New lists
- Charter high schools based in Bronx, United States
- Charter high schools based in Chicago, United States
- Charter high schools based in Houston, United States
- Charter high schools based in Los Angeles, United States
- Charter high schools based in Memphis, United States
- Charter high schools based in Miami, United States
Company intelligence · public preview
Top 18 charter high schools based in Philadelphia, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 36 matching company records for charter high schools based in Philadelphia, United States, with 2,549 tracked contacts and 1,465 verified work emails.
This public preview shows 18 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 18 charter high schools based in Philadelphia, United States
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 |  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. | |||||
| 2 |  Kipp Philadelphia Public Schoolskippphiladelphia.orgHQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 248 contacts → |
“KIPP Philadelphia Public Schools is a network of nine free public charter schools that opened its doors in 2003.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Freire Schoolsfreireschools.orgHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 143 contacts → |
“Since Freire Schools has been a catalyst for unlocking the potential of some of Philadelphia and Wilmington’s most underserved youth.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  String Theory Schoolsstringtheoryschools.orgHQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 119 contacts → |
“String Theory Schools is a premier education management organization committed to empowering students with the skills and knowledge to excel in all aspects of life.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Youthbuild Philadelphia Charter Schoolyouthbuildphilly.orgHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 101 contacts → |
“YouthBuild Philadelphia Charter School is a 501(c)(3) organization with over 30 years of experience helping young people rebuild their lives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  NEW Foundations Charter Schoolnewfoundations.orgHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 93 contacts → |
“New Foundations Charter School is a free, public charter school serving grades K-12 in Philadelphia.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 93 contacts → |
“All students draw upon their passion, motivation and life experience to become independent, adaptive problem solvers, powerful thinkers, effective communicators, and meaningful…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Franklin Towne Charter High Schoolhs.franklintowne.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 70 contacts → |
“Our Mission: Franklin Towne Charter High School allows students to pursue pathways of learning which are respective to their personal interests, from the humanities to STEM, in an…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Maritime Academy Charter Schoolmaritimecharter.orgHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 55 contacts → |
“Maritime Academy Charter School is a successful K-12 public charter school currently operating at two locations in Philadelphia; 2275 Bridge Street in the Tacony Section and 2700…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Southwest Leadership Academy Charter Schoolslacs-phila.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 54 contacts → |
“The vision of Southwest Leadership Academy Charter School is to build leaders one child at a time by changing their definition of reality.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Tacony Academy Charter Schoolap-schools.orgHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 50 contacts → |
“TACONY ACADEMY CHARTER SCHOOL is a Public Charter School based out of our Elementary School at 1330 RHAWN ST, PHILADELPHIA, PA In addition, our High School is located at 6201…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 50 contacts → |
“Philadelphia Electrical & Technology is Charter High School established in 2002 with a mission to prepare students for employment in the 21st Century.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 45 contacts → |
“Richard Allen Preparatory Charter School mission is to create a safe and healthy learning environment for middle school youth to develop into responsible participants in their…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Scholar Academiesscholaracademies.orgHQ: Philadelphia, PA, United StatesReported employees: 501-1,000 | Philadelphia, PA, United States | 501-1,000 | Exact match | 33 contacts → |
“Scholar Academies transforms low-performing schools so every child has the knowledge and character to pursue the path to college and opportunities beyond.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Deep Roots Charter Schooldeeprootscs.org HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 27 contacts → |
“Deep Roots is an actively anti-racist and inclusive organization.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Philadelphia Academy CSphiladelphiaacademy.orgHQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 20 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Freire Charter Schoolfreirecharterschool.org HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Multicultural Academy Charter Schoolmacs.k12.pa.us HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 10 contacts → |
“A public high school (Grades 9-12) founded in 1998, the Multicultural Academy Charter School (MACS) provides a safe and family-like environment where every child is given the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 36 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
36 records in the displayed employee bands.
0 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 United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 36 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 metro in the United States
- Charter high schools in New York76
- Charter high schools in Los Angeles62
- Charter high schools in Chicago55
- Charter high schools in Bronx44
- Charter high schools in Houston42
- Charter high schools in Phoenix35
- Charter high schools in Washington29
- Charter high schools in Memphis26
- Charter high schools in Miami26
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 based in Philadelphia, United States?
The saved snapshot records 36 matching company records, 2,549 tracked contacts and 1,465 verified emails. The public preview displays 18 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.
Related lists
Charter high schools by geography
- Charter high schools based in Bronx, United States
- Charter high schools based in Chicago, United States
- Charter high schools based in Houston, United States
- Charter high schools based in Los Angeles, United States
- Charter high schools based in Memphis, United States
- Charter high schools based in Miami, United States
- Charter high schools based in New York, United States
- Charter high schools based in Phoenix, United States
- Charter high schools based in Washington, United States
- Charter high schools based in Brazil
- Charter high schools based in the United Kingdom
- Charter high schools based in the United States
Cite this list
RevenueBase Data Team. Top 18 charter high schools based in Philadelphia, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/charter-high-schools/united-states/philadelphia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Charter high schools based in Bronx, United States
- Charter high schools based in Chicago, United States
- Charter high schools based in Houston, United States
- Charter high schools based in Los Angeles, United States
- Charter high schools based in Memphis, United States
- Charter high schools based in Miami, United States
Company intelligence · public preview
Top 18 charter high schools based in Philadelphia, United States
RevenueBase records 36 matching company records for charter high schools based in Philadelphia, United States, with 2,549 tracked contacts and 1,465 verified work emails.
This public preview shows 18 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 18 charter high schools based in Philadelphia, United States
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 | 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. | |||||
| 2 | Kipp Philadelphia Public Schoolskippphiladelphia.org HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 248 contacts → |
“KIPP Philadelphia Public Schools is a network of nine free public charter schools that opened its doors in 2003.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Freire Schoolsfreireschools.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 143 contacts → |
“Since Freire Schools has been a catalyst for unlocking the potential of some of Philadelphia and Wilmington’s most underserved youth.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | String Theory Schoolsstringtheoryschools.org HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 119 contacts → |
“String Theory Schools is a premier education management organization committed to empowering students with the skills and knowledge to excel in all aspects of life.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Youthbuild Philadelphia Charter Schoolyouthbuildphilly.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 101 contacts → |
“YouthBuild Philadelphia Charter School is a 501(c)(3) organization with over 30 years of experience helping young people rebuild their lives.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NEW Foundations Charter Schoolnewfoundations.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 93 contacts → |
“New Foundations Charter School is a free, public charter school serving grades K-12 in Philadelphia.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 93 contacts → |
“All students draw upon their passion, motivation and life experience to become independent, adaptive problem solvers, powerful thinkers, effective communicators, and meaningful…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Franklin Towne Charter High Schoolhs.franklintowne.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 70 contacts → |
“Our Mission: Franklin Towne Charter High School allows students to pursue pathways of learning which are respective to their personal interests, from the humanities to STEM, in an…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Maritime Academy Charter Schoolmaritimecharter.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 55 contacts → |
“Maritime Academy Charter School is a successful K-12 public charter school currently operating at two locations in Philadelphia; 2275 Bridge Street in the Tacony Section and 2700…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Southwest Leadership Academy Charter Schoolslacs-phila.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 54 contacts → |
“The vision of Southwest Leadership Academy Charter School is to build leaders one child at a time by changing their definition of reality.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tacony Academy Charter Schoolap-schools.org HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 50 contacts → |
“TACONY ACADEMY CHARTER SCHOOL is a Public Charter School based out of our Elementary School at 1330 RHAWN ST, PHILADELPHIA, PA In addition, our High School is located at 6201…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 50 contacts → |
“Philadelphia Electrical & Technology is Charter High School established in 2002 with a mission to prepare students for employment in the 21st Century.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 45 contacts → |
“Richard Allen Preparatory Charter School mission is to create a safe and healthy learning environment for middle school youth to develop into responsible participants in their…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Scholar Academiesscholaracademies.org HQ: Philadelphia, PA, United StatesReported employees: 501-1,000 | Philadelphia, PA, United States | 501-1,000 | Exact match | 33 contacts → |
“Scholar Academies transforms low-performing schools so every child has the knowledge and character to pursue the path to college and opportunities beyond.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Deep Roots Charter Schooldeeprootscs.org HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 27 contacts → |
“Deep Roots is an actively anti-racist and inclusive organization.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Philadelphia Academy CSphiladelphiaacademy.org HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 20 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Freire Charter Schoolfreirecharterschool.org HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Multicultural Academy Charter Schoolmacs.k12.pa.us HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 10 contacts → |
“A public high school (Grades 9-12) founded in 1998, the Multicultural Academy Charter School (MACS) provides a safe and family-like environment where every child is given the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 36 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
36 records in the displayed employee bands.
0 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 United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 36 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 metro in the United States
- Charter high schools in New York76
- Charter high schools in Los Angeles62
- Charter high schools in Chicago55
- Charter high schools in Bronx44
- Charter high schools in Houston42
- Charter high schools in Phoenix35
- Charter high schools in Washington29
- Charter high schools in Memphis26
- Charter high schools in Miami26
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 based in Philadelphia, United States?
The saved snapshot records 36 matching company records, 2,549 tracked contacts and 1,465 verified emails. The public preview displays 18 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.
Related lists
Charter high schools by geography
- Charter high schools based in Bronx, United States
- Charter high schools based in Chicago, United States
- Charter high schools based in Houston, United States
- Charter high schools based in Los Angeles, United States
- Charter high schools based in Memphis, United States
- Charter high schools based in Miami, United States
- Charter high schools based in New York, United States
- Charter high schools based in Phoenix, United States
- Charter high schools based in Washington, United States
- Charter high schools based in Brazil
- Charter high schools based in the United Kingdom
- Charter high schools based in the United States
Cite this list
RevenueBase Data Team. Top 18 charter high schools based in Philadelphia, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/charter-high-schools/united-states/philadelphia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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