Company lists · Data refreshed November 2026

Top 25 Secular private schools based in the United Kingdom

RevenueBase identified 588 company matches for secular private schools associated with the United Kingdom as of November 2026 and tracks 12,991 professional contacts across them, including 3,664 with verified work emails. London is the largest hub.

This list covers company matches for secular private schools associated with the United Kingdom, 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
588Companies
12,991Contacts tracked
3,664Verified emails
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The 25 largest secular private schools based in the United Kingdom

Ranked by team size
Top 25 of 588 company matches for secular private schools based in the United Kingdom, 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 matchStreet, United KingdomHQ recorded Nov 6, 2026501-1,000496 contacts →

Exact match

“Millfield is one of the UK's leading independent schools for girls and boys, aged 2-18, providing a fully rounded education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500296 contacts →

Exact match

“The American School in London is an independent, college-preparatory, preK-12 day school, providing an exceptional American education to an international student body in the heart…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500221 contacts →

Exact match

“University College School was founded in Gower Street in 1830 as part of University College, London and moved to generous buildings in Hampstead in 1907.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200198 contacts →

Exact match

“In her 1560 charter, Queen Elizabeth I declared that Westminster pupils should be “liberally instructed in good books” and encouraged to develop enquiring, independent and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 2026201-500180 contacts →

Exact match

“We provide a world-class education for children and young people from Preschool to Senior 6.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHorsham, United KingdomHQ recorded Nov 6, 2026201-500169 contacts →

Exact match

“Christ’s Hospital is a remarkable school which offers pupils from all backgrounds the opportunity to achieve their full academic potential and to develop their interests and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 6, 2026201-500149 contacts →

Exact match

“Although the exact date is subject to debate, tradition holds that the Newcastle upon Tyne Royal Grammar School was founded in 1525.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBlandford Forum, United KingdomHQ recorded Nov 6, 2026201-500139 contacts →

Exact match

“Nestled in the picturesque Dorset countryside, Clayesmore is not just a school; it's a vibrant community where students thrive both academically and personally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500132 contacts →

Exact match

“A great school is a combination of different things.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Chelsea Academy is an Outstanding, World Class School, sponsored by the London Diocesan Board for Schools and Royal Borough of Kensington and Chelsea.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEastbourne, United KingdomHQ recorded Nov 6, 2026201-500114 contacts →

Exact match

“Every child is unique, each possessing hidden talents which wait, like treasure, longing to be unearthed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTaunton, United KingdomHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“King's College, Taunton offers an outstanding education for pupils aged 2-18 in the heart of Somerset.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHuntingdon, United KingdomHQ recorded Nov 6, 202651-200112 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Lord Grey Academy is a secondary academy based in the heart of Bletchley.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWitney, United KingdomHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“At Cokethorpe, we believe that choosing a school is about far more than selecting where a child will learn.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAylesbury, United KingdomHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Aylesbury Grammar School is more than just an outstanding School.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEwell, United KingdomHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“At Ewell Castle, every pupil is understood as an individual.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWarminster, United KingdomHQ recorded Nov 6, 2026201-50091 contacts →

Exact match

“Life at Warminster is a busy one, filled with academic and co-curricular activity, discovery and adventure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFarnham, United KingdomHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Frensham Heights is a highly distinctive school in a world of educational conformity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchOxford, United KingdomHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“A Secondary School in Oxford, established since 1977 with a 'Good' Ofsted rating.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 2026201-50087 contacts →

Exact match

“Walton High aims to enhance and enrich the lives of children and young people by enabling them to make the most of outstanding learning opportunities within and beyond the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchYarm, United KingdomHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Yarm School is the area’s leading independent school for girls and boys aged 3-18, located in the attractive and historic town of Yarm on a beautiful stretch of the River Tees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCotham, United KingdomHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Cotham has an excellent reputation in Bristol built on our specialisms in Performing Arts, Maths and Computing and an outstanding GCSE and A Level examination record that is…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGuildford, United KingdomHQ recorded Nov 6, 2026201-50077 contacts →

Exact match

“George Abbot is an outstanding, non-selective secondary school.”

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

Showing 25 of 588 secular private schools based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,664 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Secular private schools based in the United Kingdom at a glance

As of Nov 6, 2026
28.2%Verified-email coverage
22.1Average contacts per company
11-50Median size (employees)
10.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
170
11-50
178
51-200
159
201-500
42
501-1,000
3
1,001-5,000
3
10001+
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 588 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 Kingdom whose business descriptions match “secular private 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 3,664 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.

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

How many secular private schools are there based in the United Kingdom?

RevenueBase identified 588 company matches for secular private schools associated with the United Kingdom 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?

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

Which city has the most secular private schools?

London leads with 61 company records, followed by Manchester (11) and Birmingham (8).

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 3,664 professional contacts with verified work emails tracked across these 588 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 588 secular private schools based in the United Kingdom. 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.