Company lists · Data refreshed September 2026
Top 25 Catholic schools based in the United States
RevenueBase identified 2,174 catholic schools headquartered in the United States as of September 2026 and tracks 52,769 professional contacts across them, including 16,710 with verified work emails. Chicago is the largest hub.
This list covers catholic 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 19, 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 catholic schools based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,536 contacts → | ||||
Partial evidence “The Archdiocese of Chicago, the third largest archdiocese of the Roman Catholic Church in the United States, serves more than 2.2 million Catholics in 221 parishes.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 488 contacts → | ||||
Strong evidence “Notre Dame High School is the preeminent Catholic coeducational college preparatory school in the City of Angels.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 473 contacts → | ||||
Strong evidence “Immaculate Conception Catholic School is a Catholic School filled with the rich traditions of those who have attended these past 70 years and will continue to be a faith-filled…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 415 contacts → | ||||
Indirect evidence “Our mission is to provide the children of St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 358 contacts → | ||||
Indirect evidence “St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 326 contacts → | ||||
Indirect evidence “St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 323 contacts → | ||||
Strong evidence “Marist School is an independent, Roman Catholic, college-preparatory day school enrolling approximately 1,100 boys and girls in grades seven through twelve.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 319 contacts → | ||||
Indirect evidence “Our Mission Statement: St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 310 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 308 contacts → | ||||
Partial evidence “The Roman Catholic Archdiocese of Washington is home to more than Catholics.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 306 contacts → | ||||
Strong evidence “Mater Dei High School, a co-educational college preparatory Diocesan Catholic high school, provides a holistic education and serves a diverse community of students committed to…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 301 contacts → | ||||
Indirect evidence “St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 273 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 272 contacts → | ||||
Indirect evidence “MISSION: St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 252 contacts → | ||||
Strong evidence “Welcome to All Saints Catholic School!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 246 contacts → | ||||
Strong evidence “Archbishop Mitty High School is the Catholic, coeducational, college preparatory school of the Diocese of San Jose.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 245 contacts → | ||||
Indirect evidence “Educating the Mind and Empowering the Heart.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 236 contacts → | ||||
Indirect evidence “The St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 224 contacts → | ||||
Partial evidence “A Catholic, College-Prep Family Since 1885 St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 211 contacts → | ||||
Indirect evidence “The Academy of the Holy Names empowers students to be authentic individuals who engage in independent thought, are inspired by creativity, and lead culturally aware, spiritually…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 207 contacts → | ||||
Strong evidence “Mission Statement: Cathedral Catholic High School is an innovative academic community of lifelong learners grounded in the Catholic faith that prepares our graduates to live God's…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 207 contacts → | ||||
Strong evidence “Trinity High School is a coeducational, Catholic school with a vibrant community of faith and learning, an innovative block schedule, unmatched emphasis on technology and a focus…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 206 contacts → | ||||
Indirect evidence “Families who value academic excellence and character development find their fit at The Summit.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 200 contacts → | ||||
Indirect evidence “St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 199 contacts → | ||||
Partial evidence “BSM's mission is to educate, empower, and inspire learners within a Catholic community to lead lives of faith, achieve academic excellence, and contribute meaningfully to a global…” Source: RevenueBase Database · checked Sep 19, 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: catholic 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 catholic schools.
- Partial evidence
- Its own public description names part of catholic schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name catholic 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 2,174 catholic schools based in the United States
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Catholic schools based in the United States at a glance
As of Sep 19, 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 2,174 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 catholic 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 “catholic 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 catholic 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 catholic 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, 16,710 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 19, 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.
Catholic schools by metro
- Catholic schools in Chicago51
- Catholic schools in Philadelphia35
- Catholic schools in New York33
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 catholic 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 catholic schools are there based in the United States?
RevenueBase identified 2,174 catholic 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?
Archdiocese Of Chicago, headquartered in Chicago, tops this list with the largest team on record.
Which city has the most catholic schools?
Chicago leads with 51 headquartered companies, followed by Philadelphia (35) and New York (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 16,710 verified decision-maker contacts tracked across these 2,174 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 19, 2026.
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Catholic schools by geography
- Catholic schools based in Chicago, United States
- Catholic schools based in Philadelphia, United States
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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.