Company lists · Data refreshed September 2026

Top 25 Montessori charter schools worldwide

Name: Montessori charter schools worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 4,343 companies tracked

RevenueBase identified 4,343 montessori charter schools worldwide as of September 2026 and tracks 77,747 professional contacts across them, including 26,775 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers montessori charter schools worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for montessori charter schools follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

4,343Companies

77,747Contacts tracked

26,775Verified emails

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The 25 largest montessori charter schools worldwide

Ranked by team size

Top 25 of 4,343 montessori charter schools worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to montessori charter schools: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	National Heritage Academies	Strong evidence	Grand Rapids, MI, United StatesHQ checked Sep 20, 2026	5,001-10,000	3,666 contacts →
	Strong evidence “National Heritage Academies (NHA) partners with community groups to build and operate public charter schools.” Source: RevenueBase Database · checked Sep 20, 2026
2	Guidepost Montessori	Partial evidence	New York, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,137 contacts →
	Partial evidence “We are on a mission to bring high-quality Montessori education, everywhere.” Source: RevenueBase Database · checked Sep 20, 2026
3	Great Hearts Academies	Strong evidence	Phoenix, AZ, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,093 contacts →
	Strong evidence “Since its inception, Great Hearts has been on a mission to become a national leader in public charter schools.” Source: RevenueBase Database · checked Sep 20, 2026
4	Mastery Schools	Strong evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,031 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
5	Basis ED	Strong evidence	Scottsdale, AZ, United StatesHQ checked Sep 20, 2026	1,001-5,000	928 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
6	Kipp Foundation	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 20, 2026	n/a	878 contacts →
	Indirect evidence “Work Hard.” Source: RevenueBase Database · checked Sep 20, 2026
7	Kipp Socal Public Schools	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 20, 2026	1,001-5,000	806 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
8	Somerset Academy Charter Schools	Indirect evidence	Miami, FL, United StatesHQ checked Sep 20, 2026	1,001-5,000	795 contacts →
	Indirect evidence “Somerset Academy, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
9	Accel Schools	Strong evidence	Cleveland, VA, United StatesHQ checked Sep 20, 2026	1,001-5,000	702 contacts →
	Strong evidence “We're a network of over 90 high-performing, public charter schools serving PK-12 students.” Source: RevenueBase Database · checked Sep 20, 2026
10	Friendship Public Charter School	Strong evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1,001-5,000	664 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
11	High Tech High	Strong evidence	San Diego, CA, United StatesHQ checked Sep 20, 2026	501-1,000	527 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
12	UCP Of Central Florida	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 20, 2026	501-1,000	494 contacts →
	Indirect evidence “UCP of Central Florida is dedicated to providing children equal access to programs, services, and experiences that help them achieve their full potential.” Source: RevenueBase Database · checked Sep 20, 2026
13	Montessori Academy Childcare Centres	Partial evidence	Sydney, AustraliaHQ checked Sep 20, 2026	501-1,000	486 contacts →
	Partial evidence “Welcome to Montessori Academy!” Source: RevenueBase Database · checked Sep 20, 2026
14	Kipp Public Schools Northern California	Strong evidence	Oakland, CA, United StatesHQ checked Sep 20, 2026	501-1,000	474 contacts →
	Strong evidence “KIPP is a network of free, public charter schools educating elementary, middle, and high school students.” Source: RevenueBase Database · checked Sep 20, 2026
15	Zeta Charter Schools	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	501-1,000	439 contacts →
	Partial evidence “At Zeta, we are building high-performing, next-generation schools with an innovative, whole-child approach, preparing children for true participation and leadership in a modern…” Source: RevenueBase Database · checked Sep 20, 2026
16	South Texas Educational Technologies, INC	Indirect evidence	Weslaco, TX, United StatesHQ checked Sep 20, 2026	51-200	419 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
17	Springs Charter Schools	Indirect evidence	Temecula, CA, United StatesHQ checked Sep 20, 2026	501-1,000	412 contacts →
	Indirect evidence “Our mission is to empower students by fostering their innate curiosity, engaging their parents, and promoting optimum learning by collaboratively developing a personalized…” Source: RevenueBase Database · checked Sep 20, 2026
18	Kipp NEW Orleans	Partial evidence	New Orleans, United StatesHQ checked Sep 20, 2026	501-1,000	405 contacts →
	Partial evidence “Join KIPP New Orleans Schools in preparing students for lives full of choices!” Source: RevenueBase Database · checked Sep 20, 2026
19	Trinity Basin Preparatory Public Schools	Indirect evidence	Grand Prairie, TX, United StatesHQ checked Sep 20, 2026	501-1,000	379 contacts →
	Indirect evidence “Inspiring every student to do more, expect more, and be more.” Source: RevenueBase Database · checked Sep 20, 2026
20	Montessori Community School	Strong evidence	Salt Lake City, UT, United StatesHQ checked Sep 20, 2026	51-200	359 contacts →
	Strong evidence “Location: 2416 East 1700 South Salt Lake City, UT 84108 (801) Ages: Toddler - 6th Grade The Montessori Community School offers a traditional, comprehensive Montessori curriculum…” Source: RevenueBase Database · checked Sep 20, 2026
21	Propel Schools	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 20, 2026	501-1,000	346 contacts →
	Strong evidence “Propel Schools, a network of 13 public charter schools in Allegheny County, PA, was founded in 2003.” Source: RevenueBase Database · checked Sep 20, 2026
22	Apple Montessori Schools	Strong evidence	Wayne, NJ, United StatesHQ checked Sep 20, 2026	501-1,000	339 contacts →
	Strong evidence “With over 50 years of setting the standard in early childhood education and with graduates from preschool through Elementary, Apple Montessori Schools is not just school, it’s a…” Source: RevenueBase Database · checked Sep 20, 2026
23	Ascend Schools	Strong evidence	Brooklyn, United StatesHQ checked Sep 20, 2026	501-1,000	324 contacts →
	Strong evidence “Ascend Public Charter Schools is a network of 17 K-12 public charter schools in Brooklyn, New York.” Source: RevenueBase Database · checked Sep 20, 2026
24	Franklin Academy Charter Schools	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 20, 2026	501-1,000	288 contacts →
	Indirect evidence “Building Better People, Every Day The mission of Franklin Academy is to create life-long learners by developing critical thinking skills and promoting high levels of academic…” Source: RevenueBase Database · checked Sep 20, 2026
25	DC Prep	Strong evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	201-500	287 contacts →
	Strong evidence “DC Prep is a network of public charter schools serving over 2,100 PK3 through 8th grade students across six campuses in Wards 5, 7, and 8.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: montessori charter schools. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names montessori charter schools.
Partial evidence: Its own public description names part of montessori charter schools, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name montessori charter schools. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 4,343 montessori charter schools worldwide

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Montessori charter schools worldwide at a glance

As of Sep 20, 2026

34.4%Verified-email coverage

17.9Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

1,686

11-50

1,675

51-200

728

201-500

131

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among montessori charter schools, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for montessori charter schools are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “montessori charter schools”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names montessori charter schools), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among montessori charter schools, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 26,775 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Montessori charter schools by location

17 lists · largest first

Every Montessori charter 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names montessori charter schools, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many montessori charter schools are there worldwide?

RevenueBase identified 4,343 montessori charter schools worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

National Heritage Academies, headquartered in Grand Rapids, tops this list with the largest team on record.

Which country has the most montessori charter schools?

The United States leads with 2,630 companies, followed by Canada (182) and India (182). Every montessori charter schools list by country and city is linked on this page.

Which city has the most montessori charter schools?

New York leads with 42 headquartered companies, followed by Houston (37) and Chicago (33).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 26,775 verified decision-maker contacts tracked across these 4,343 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.