Company lists · Data refreshed September 2026
Top 25 Montessori high schools based in the United States
RevenueBase identified 1,785 montessori high schools headquartered in the United States as of September 2026 and tracks 25,816 professional contacts across them, including 9,187 with verified work emails. Chicago is the largest hub.
This list covers montessori high schools headquartered in the United States, 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.
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.
The 25 largest montessori high schools based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,137 contacts → | ||||
Strong evidence “We are on a mission to bring high-quality Montessori education, everywhere.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 664 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 3 | 419 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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, 2026Thanks. The Data Team will review it. | |||||
| 6 | 293 contacts → | ||||
Partial evidence “Our network of schools centers joy, curiosity, and individual growth, uniquely positioning Breakthrough Public Schools to cultivate a community of learning where all students…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 291 contacts → | ||||
Partial evidence “Alpha is a K-12 private school designed for kids with ideas-those who think beyond limits and take action.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 288 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 250 contacts → | ||||
Strong evidence “Camino Nuevo Charter Academy (CNCA) is a community of high-performing public schools that utilizes a comprehensive approach to prepare students from preschool through high school…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 243 contacts → | ||||
Partial evidence “Montclair Kimberley Academy (MKA) empowers students from age 4 to grade 12 to learn at their growing edge in a vibrant and engaged independent school community.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 230 contacts → | ||||
Indirect evidence “A Great Hearts education transforms students into leaders prepared for the 21st century.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 218 contacts → | ||||
Partial evidence “KIPP Colorado Public Schools educates more than 2,500 students from ECE-3 to 12th grade.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 215 contacts → | ||||
Strong evidence “Perspectives Charter Schools is a network of five open-enrollment middle and high schools committed to teaching a rigorous college-prep curriculum.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 183 contacts → | ||||
Partial evidence “Community School is an independent elementary and preschool serving families with children age 3 through sixth grade.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 180 contacts → | ||||
Strong evidence “California Montessori Project (CMP) is a public, tuition-free, TK-8, charter school network in the Greater Sacramento Area.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 173 contacts → | ||||
Partial evidence “LePort specializes in all facets of exceptional Montessori education and offers authentic AMI programs in English, Mandarin & Spanish.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 172 contacts → | ||||
Partial evidence “Kindezi is a community of public schools (Kindezi West, Kindezi Old Fourth Ward and Kindezi at Gideons Elementary) with small classes led by genius awakening educators.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 167 contacts → | ||||
Strong evidence “Building on the mastery of traditional college preparatory skills and high academic and ethical standards, Lausanne Collegiate School develops the individual talents, intellects…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 165 contacts → | ||||
Partial evidence “Larchmont Charter School is a parent-initiated school that strives to build a creative, academically challenging and emotionally nurturing environment for our children.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 151 contacts → | ||||
Partial evidence “Intrinsic Schools operates two exceptional public schools open to all students in Chicago with no tuition, entrance exams or other selective criteria.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 149 contacts → | ||||
Partial evidence “Family Life Academy Charter Schools-Network of community-grown public charter schools in the Bronx serving grades K-12.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 145 contacts → | ||||
Partial evidence “At NYOS Charter School in Austin, TX, we nurture the whole student with small class sizes, teacher autonomy, and innovative programs.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 136 contacts → | ||||
Indirect evidence “In 1970, our founder Lila McDill had one vision: children learn by doing.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 130 contacts → | ||||
Partial evidence “Visitation Academy is an independent, Catholic school offering a coeducational early childhood program and an all-girls environment in Grades 1-12.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 119 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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 high 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 high schools.
- Partial evidence
- Its own public description names part of montessori high schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name montessori high 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 1,785 montessori high schools based in the United States
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Montessori high schools based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,785 companies.
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 high 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “montessori high 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 high 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 high schools, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 9,187 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 high schools by metro
- Montessori high schools in Chicago25
- Montessori high schools in Houston25
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 high 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 high schools are there based in the United States?
RevenueBase identified 1,785 montessori high schools headquartered in the United States 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?
Guidepost Montessori, headquartered in New York, tops this list with the largest team on record.
Which city has the most montessori high schools?
Chicago leads with 25 headquartered companies, followed by Houston (25) and New York (22).
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 9,187 verified decision-maker contacts tracked across these 1,785 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.