Company lists · Data refreshed September 2026

Top 17 Independent high schools based in New York, United States

Name: Independent high schools based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 105 companies tracked

RevenueBase identified 105 company matches for independent high schools associated with New York, United States as of September 2026 and tracks 4,325 professional contacts across them, including 2,191 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for independent high schools associated with New York, 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 20, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

105Companies

4,325Contacts tracked

2,191Verified emails

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The 17 largest independent high schools based in New York, United States

Ranked by team size

Top 17 of 105 company matches for independent high schools based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	East Harlem Tutorial Program	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	222 contacts →
	Exact match “About East Harlem Tutorial Program: East Harlem Tutorial Program (EHTP) was founded in 1958 by a community leader whose love of reading and the children of East Harlem inspired…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Classical Charter Schools	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	201-500	198 contacts →
	Exact match “Classical Charter Schools prepares scholars for the future by providing them with an excellent education rooted in the Classics.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Trinity School, NYC	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	201-500	192 contacts →
	Exact match “Trinity School is an independent, preparatory, co-educational day school for grades K-12 located in New York City, USA, and a member of both the New York Interschool and the Ivy…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	The Calhoun School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	176 contacts →
	Exact match “Calhoun is a progressive independent school on the Upper West Side serving preschool-12 grade students.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Saint David's School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	118 contacts →
	Exact match “Saint David's is an independent elementary school for boys of all backgrounds.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Inwood Academy For Leadership Charter School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	111 contacts →
	Exact match “Inwood Academy for Leadership is a free, public charter school that empowers students to become agents for change through community-focused leadership, character development, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	The Buckley School, NYC	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	107 contacts →
	Exact match “The Buckley School is a K-9 all boys private school in Manhattan.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	NEW Heights Academy Charter School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	98 contacts →
	Exact match “New Heights Academy Charter School provides a college preparatory education for students in grades 5-12 in the Washington Heights and Inwood neighborhoods of Upper Manhattan.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	York Prep	Exact match	New York, United StatesHQ recorded Sep 20, 2026	51-200	80 contacts →
	Exact match “York Preparatory School is a New York City independent school committed to creating a nurturing environment that challenges and supports each student in a diverse and inclusive…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Challenge Charter School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	77 contacts →
	Exact match “Since 2010, Challenge Charter School (“Challenge Prep”) has served the families of Far Rockaway, New York.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Northside Charter High School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	63 contacts →
	Exact match “Northside Charter High School is a public charter school located in the North Williamsburg neighborhood of Brooklyn, New York, and provides scholars in grades 9-12 with an…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Dwight Global Online School	Exact match	New York, United StatesHQ recorded Sep 20, 2026	11-50	59 contacts →
	Exact match “Dwight Global Online School is the cloud campus of Dwight School, founded in 1872 in New York City.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Harlem Link Charter School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	56 contacts →
	Exact match “Independent PK-5 Charter School in Harlem established in 2005 and servicing over 430 students.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	The Birch Wathen Lenox School	Exact match	New York, United StatesHQ recorded Sep 20, 2026	501-1,000	51 contacts →
	Exact match “An independent, coeducational college preparatory school in New York City, Birch Wathen Lenox has forged a singular mission.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Academics West	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	11-50	49 contacts →
	Exact match “Academics West is an independent high-support college preparatory school that provides customized educational and social-emotional support for students who need an intimate and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	The Geneva School Of Manhattan	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	47 contacts →
	Exact match “The Geneva School of Manhattan is a private, classical Christian school for Preschool through Twelfth Grade students.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Broome Street Academy Charter High School	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	44 contacts →
	Exact match “Broome Street Academy Charter High School will prepare our young people for post-secondary success that leads to positive life outcomes.” Recorded in the RevenueBase company graph · Sep 20, 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 “independent 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 17 of 105 independent high schools based in New York, United States

See the full list, filter by size, metro and specialty, and access 2,191 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Independent high schools based in New York, United States at a glance

As of Sep 20, 2026

50.7%Verified-email coverage

41.2Average contacts per company

51-200Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 105 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 New York, United States whose business descriptions match “independent 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 2,191 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 20, 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.

Independent high schools by metro in the United States

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

How many independent high schools are there based in New York, United States?

RevenueBase identified 105 company matches for independent high schools associated with New York, 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?

East Harlem Tutorial Program 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 independent high schools?

New York leads the United States with 105 company records, followed by Houston (88) and Los Angeles (66).

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 2,191 professional contacts with verified work emails tracked across these 105 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 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 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.