Company lists · Data refreshed November 2026

Top 25 Charter middle schools worldwide

RevenueBase identified 3,930 company matches for charter middle schools worldwide as of November 2026 and tracks 155,042 professional contacts across them, including 62,226 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for charter middle 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 November 6, 2026. Country and city lists for charter middle 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
3,930Companies
155,042Contacts tracked
62,226Verified emails
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The 25 largest charter middle schools worldwide

Ranked by team size
Top 25 of 3,930 company matches for charter middle schools worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202610001+14,439 contacts →

Exact match

“The mission of Charlotte-Mecklenburg Schools is to create an innovative, inclusive, student-centered environment that supports the development of independent learners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWeslaco, TX, United StatesHQ recorded Nov 6, 202610001+5,266 contacts →

Exact match

“IDEA Public Schools believes that each child can go to college.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 6, 20265,001-10,0003,765 contacts →

Exact match

“National Heritage Academies (NHA) partners with community groups to build and operate public charter schools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0003,154 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,526 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,897 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchColorado Springs, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,683 contacts →

Exact match

“Academy District 20 (ASD20) was founded in 1957 and serves more than students in northern Colorado Springs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRichardson, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,372 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,264 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOakland, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,191 contacts →

Exact match

“Aspire now has 36 community-based schools serving over students in California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChandler, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0001,122 contacts →

Exact match

“Ignite your desire to be the best!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 20261,001-5,0001,054 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPlymouth, MI, United StatesHQ recorded Nov 6, 20261,001-5,0001,043 contacts →

Exact match

“Plymouth-Canton Community Schools operates 15 elementary schools, five middle schools, three high schools & an alternative high school program.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261,001-5,0001,025 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchScottsdale, United StatesHQ recorded Nov 6, 20261,001-5,000968 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000965 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a901 contacts →

Exact match

“Work Hard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 20261,001-5,000884 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,000866 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 20261,001-5,000825 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMiami, FL, United StatesHQ recorded Nov 6, 20261,001-5,000814 contacts →

Exact match

“Somerset Academy, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 20261,001-5,000808 contacts →

Exact match

“Founded in 2011, Epic Charter Schools (Epic) is Oklahoma’s largest public virtual charter school – and among the largest of its kind in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 20261,001-5,000759 contacts →

Exact match

“We're a network of over 90 high-performing, public charter schools serving PK-12 students.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261,001-5,000707 contacts →

Exact match

“Sign up to receive our Monthly Job Blast: http://tinyurl.com/jobblastsignup The mission of Friendship Public Charter School is to provide a world-class education that motivates…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026501-1,000545 contacts →

Exact match

“Developed by a coalition of San Diego civic leaders and educators, High Tech High opened in September as a small public charter school with plans to serve approximately 450…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,930 charter middle schools worldwide

See the full list, filter by size, metro and specialty, and access 62,226 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Charter middle schools worldwide at a glance

As of Nov 6, 2026
40.1%Verified-email coverage
39.5Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,068
11-50
1,340
51-200
1,119
201-500
212
501-1,000
66
1,001-5,000
52
5,001-10,000
1
10001+
7

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 middle schools are linked below.
What qualifies
Company records worldwide whose business descriptions match “charter middle 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 62,226 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 November 6, 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 middle schools by location

16 lists · largest first

Every Charter middle schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 middle schools”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many charter middle schools are there worldwide?

RevenueBase identified 3,930 company matches for charter middle schools worldwide as of November 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?

Charlotte-Mecklenburg Schools tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most charter middle schools?

The United States leads with 3,282 companies, followed by Brazil (47) and the United Kingdom (35). Every charter middle schools list by country and city is linked on this page.

Which city has the most charter middle schools?

New York leads with 87 company records, followed by Chicago (57) and Phoenix (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 62,226 professional contacts with verified work emails tracked across these 3,930 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 November 6, 2026.

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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.