Company lists · Data refreshed November 2026

Top 25 Catholic all-boys schools based in Canada

RevenueBase identified 138 company matches for catholic all-boys schools associated with Canada as of November 2026 and tracks 4,875 professional contacts across them, including 2,093 with verified work emails. Toronto is the largest hub.

This list covers company matches for catholic all-boys schools associated with Canada, 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
138Companies
4,875Contacts tracked
2,093Verified emails
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The 25 largest catholic all-boys schools based in Canada

Ranked by team size
Top 25 of 138 company matches for catholic all-boys schools based in Canada, 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 matchWindsor, ON, CanadaHQ recorded Nov 6, 20261,001-5,0001,029 contacts →

Exact match

“MISSION STATEMENT In keeping with the virtues of our Catholic faith, we are called to know every student, to inspire them to follow the example of Jesus, and empower them with the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200391 contacts →

Exact match

“Upper Canada College inspires boys to become their best selves at a place where tradition, excellence and innovation meet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSherwood Park, AB, CanadaHQ recorded Nov 6, 20261,001-5,000287 contacts →

Exact match

“We are a Catholic community committed to developing educational opportunities in the context of Gospel values, where students' gifts and talents are celebrated and nurtured…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 2026201-500253 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAurora, ON, CanadaHQ recorded Nov 6, 2026201-500234 contacts →

Exact match

“A Sense of Community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchThunder Bay, ON, CanadaHQ recorded Nov 6, 20261,001-5,000227 contacts →

Exact match

“Christian Living Through Learning The Thunder Bay Catholic District School Board is committed to providing quality education which combines academic excellence with a concern for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMill Bay, BC, CanadaHQ recorded Nov 6, 2026201-500184 contacts →

Exact match

“We are a co-educational, university preparatory school for grades 9-12.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWestmount, QC, CanadaHQ recorded Nov 6, 202651-200155 contacts →

Exact match

“Selwyn House is an independent K-12 boys' school, that provides students with an education of exceptional depth and scope.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200143 contacts →

Exact match

“University of Toronto Schools (UTS) is a university preparatory school, grades 7 through 12, affiliated with the University of Toronto.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“Central to the mission of St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLa Prairie, QC, CanadaHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Propriété des Frères de l'Instruction chrétienne, le Collège Jean de la Mennais est une institution privée mixte qui offre le cours secondaire complet et le troisième cycle du…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOkotoks, AB, CanadaHQ recorded Nov 6, 2026501-1,00087 contacts →

Exact match

“CTR Catholic supports more than 540 teachers and 300 support staff with faith-based learning opportunities, professional development and guidance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Vancouver College, established in 1922, is a Kindergarten through Grade 12 independent Catholic school for boys, served by the Congregation of Christian Brothers in the spirit of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDrummondville, QC, CanadaHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Fondé en 1962 par les Frères de la Charité, le Collège Saint-Bernard est une école préscolaire, primaire et secondaire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Since 1861, The Sacred Heart School of Montreal, the city’s only all girls English Catholic high school, has been graduating exceptional leaders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVancouver, CanadaHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Little Flower Academy is British Columbia's only Catholic high school for girls.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHalifax, NS, CanadaHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“The top independent school in Atlantic Canada and a member of CAIS (Canadian Accredited Independent Schools), Sacred Heart School of Halifax (SHSH) teaches the whole child - mind…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOakville, ON, CanadaHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“King's Christian Collegiate is an independent high school in Oakville, Ontario, offering students every opportunity for success in high school and beyond, by providing excellent…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSainte-thérèse, QC, CanadaHQ recorded Nov 6, 2026201-50038 contacts →

Exact match

“Institution scolaire - enseignement primaire et secondaire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“Linden Christian School is a dynamic independent school inspired by faith, motivated by excellence and anchored by meaningful relationships.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Holy Cross School has a unique history as the first English Catholic school in St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKing City, ON, CanadaHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Villanova College is York Region's only independent, Catholic school committed to the Augustinian values of unitas, veritas and caritas, meaning unity, truth and love.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVarennes, QC, CanadaHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Le Collège Saint-Paul est une école secondaire privée située à Varennes au Québec.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLethbridge, AB, CanadaHQ recorded Nov 6, 2026201-50029 contacts →

Exact match

“Holy Spirit Catholic Schools”

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

Showing 25 of 138 catholic all-boys schools based in Canada

See the full list, filter by size, metro and specialty, and access 2,093 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Catholic all-boys schools based in Canada at a glance

As of Nov 6, 2026
42.9%Verified-email coverage
35.3Average contacts per company
11-50Median size (employees)
8.7%Largest-city concentration · Toronto
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
38
51-200
36
201-500
6
501-1,000
2
1,001-5,000
8

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 138 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 Canada whose business descriptions match “catholic all-boys 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 2,093 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.

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 “catholic all-boys schools”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many catholic all-boys schools are there based in Canada?

RevenueBase identified 138 company matches for catholic all-boys schools associated with Canada 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?

Wecdsb tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most catholic all-boys schools?

Toronto leads with 12 company records, followed by Mississauga (7) and Winnipeg (7).

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 2,093 professional contacts with verified work emails tracked across these 138 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 138 catholic all-boys schools based in Canada. Start with a free account, no credit card.

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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.