Company lists · Data refreshed November 2026

Top 25 Orthodox secondary schools based in the United States

RevenueBase identified 508 company matches for orthodox secondary schools associated with the United States as of November 2026 and tracks 12,975 professional contacts across them, including 6,213 with verified work emails. New York is the largest hub.

This list covers company matches for orthodox secondary schools associated with the 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 November 6, 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 Nov 6, 2026 How this list was built
508Companies
12,975Contacts tracked
6,213Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest orthodox secondary schools based in the United States

Ranked by team size
Top 25 of 508 company matches for orthodox secondary schools based in the United States, 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 matchRancho Santa Margarita, CA, United StatesHQ recorded Nov 6, 202651-200272 contacts →

Exact match

“Santa Margarita Catholic High School seeks to bring the nurturing charism of Caritas Christi – the love of Christ – to our community of faith and learning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Founded in 1937, the Ramaz School is a co-educational Modern Orthodox day school, Nursery through 12th grade, in which intellectual growth and self-esteem are cultivated in a warm…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRiverdale, NY, United StatesHQ recorded Nov 6, 2026201-500225 contacts →

Exact match

“Imagine a school with no walls or barriers, where every student is unique.welcome to SAR!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 2026201-500214 contacts →

Exact match

“Milken is a home for personal growth and intellectual inquiry – a place where profound learning stimulates young minds and lays a strong foundation for spiritual practice and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOrange, CA, United StatesHQ recorded Nov 6, 2026201-500214 contacts →

Exact match

“ABOUT US Orange Lutheran High School is a co-educational high school where students build a sound future with Christ as their leader.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchVictoria, MN, United StatesHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“Holy Family Catholic High School is a co-educational high school committed to helping young men and women realize their academic and spiritual potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500155 contacts →

Exact match

“Abraham Joshua Heschel School is an independent Jewish day school named in memory of one of the great Jewish leaders, teachers, and activists of the 20th century and dedicated to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRockville, MD, United StatesHQ recorded Nov 6, 2026201-500147 contacts →

Exact match

“Charles E.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBaton Rouge, United StatesHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“Catholic High School focuses on providing young men with a holistic education that focuses on academic excellence rooted in religious values, friendly discipline, and personal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUniondale, NY, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Kellenberg Memorial combines the proven curriculum and methods of a successful tradition with modern pedagogical advances to provide its students with a rich, qualitative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“TVT is an inclusive Jewish school of inquiry and innovation where academics are important and character is paramount.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Escuela Popular is a Primary/Secondary company located in 467 N White Rd, San Jose, California, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWaltham, MA, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Gann Academy is an independent Jewish high school serving 325 students in Grades 9-12.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“At Bernard Zell, we develop exceptional young people who put Jewish values into action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHartsdale, NY, United StatesHQ recorded Nov 6, 2026201-500123 contacts →

Exact match

“The Leffell School (formerly Schechter Westchester) is a Kindergarten through twelfth grade Jewish day school set apart by our comprehensive, intellectually rigorous dual…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“The Emery/Weiner School, a private, college-preparatory middle and high school located in Houston, TX, is different!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWest Orange, NJ, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Golda Och Academy (formerly the Solomon Schechter Day School of Essex and Union) is a PreK-12th grade Jewish day school located on two campuses in West Orange, NJ.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBryn Mawr, PA, United StatesHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“A pluralistic Jewish day school for students in grades 6-12, Jack M.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“Pressman Academy is a vibrant Jewish day school dedicated to Developing Minds, Nurturing Hearts & Instilling Jewish Values.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBeverly Hills, CA, United StatesHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Harkham Hillel Hebrew Academy offers a warm and nurturing environment with a focus to help each child develop in an environment that synthesizes Torah with General Studies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 2026201-50098 contacts →

Exact match

“BETH TFILOH celebrates the joy and love of Judaism within a caring community that strives to nurture every Jewish soul and embrace Jews from all levels of observance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Diego, United StatesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“For more than 40 years, sdja has been a leader in preschool to 12th grade education – inspiring and supporting students with personalized and innovative learning while nurturing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFar Rockaway, United StatesHQ recorded Nov 6, 2026201-50093 contacts →

Exact match

“Yeshiva Darchei Torah is an educational Institution serving students from preschool through post-graduate college.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWoodstock, CT, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“The mission of The Woodstock Academy is to prepare all students for a lifetime of learning by providing academic rigor, a safe environment, and a diversity of educational…”

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

Showing 25 of 508 orthodox secondary schools based in the United States

See the full list, filter by size, metro and specialty, and access 6,213 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Orthodox secondary schools based in the United States at a glance

As of Nov 6, 2026
47.9%Verified-email coverage
25.5Average contacts per company
11-50Median size (employees)
8.3%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
112
11-50
168
51-200
197
201-500
22
501-1,000
1
1,001-5,000
1
10001+
1

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 508 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 the United States whose business descriptions match “orthodox secondary 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 6,213 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.

Orthodox secondary schools by metro

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

How many orthodox secondary schools are there based in the United States?

RevenueBase identified 508 company matches for orthodox secondary schools associated with the United States 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?

Santa Margarita Catholic High School tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most orthodox secondary schools?

New York leads with 42 company records, followed by Los Angeles (20) and Brooklyn (13).

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 6,213 professional contacts with verified work emails tracked across these 508 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.

Ready to reach these companies? Verified emails and direct dials for all 508 orthodox secondary schools based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.