Company lists · Data refreshed September 2026
Top 25 Day schools based in the United Kingdom
RevenueBase identified 1,129 day schools headquartered in the United Kingdom as of September 2026 and tracks 13,675 professional contacts across them, including 4,011 with verified work emails. London is the largest hub.
This list covers day schools headquartered in the United Kingdom, 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 day schools based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 224 contacts → | ||||
Strong evidence “Alleyn's is one of the country’s leading HMC co-educational day schools, committed to achieving academic excellence within an ethos of strong pastoral care and a vibrant…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 176 contacts → | ||||
Strong evidence “Bancroft’s is an award-winning co-educational HMC day school serving 1,200 pupils aged 7 to 18.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 176 contacts → | ||||
Partial evidence “Bolton School provides a first-class education for boys and girls from age 4 to 18 in the co-educational pre-preparatory school, Beech House, and then subsequently in the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 162 contacts → | ||||
Indirect evidence “We provide a world-class education for children and young people from Preschool to Senior 6.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 152 contacts → | ||||
Strong evidence “BGS is a thriving independent day school, taking children from Reception through to the Sixth Form.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 138 contacts → | ||||
Partial evidence “Although the exact date is subject to debate, tradition holds that the Newcastle upon Tyne Royal Grammar School was founded in 1525.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 134 contacts → | ||||
Partial evidence “Nestled in the picturesque Dorset countryside, Clayesmore is not just a school; it's a vibrant community where students thrive both academically and personally.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 122 contacts → | ||||
Strong evidence “Churcher's College is an independent day school for girls and boys offering Nursery, Junior, Senior and Sixth Form education.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 122 contacts → | ||||
Indirect evidence “Wycliffe promotes a pioneering spirit and encourage individuals to flourish and embrace their futures as global citizens Wycliffe College is the perfect blend of place and culture…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 116 contacts → | ||||
Strong evidence “An independent co-educational day school for pupils aged 3 to 18 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 115 contacts → | ||||
Partial evidence “Merchant Taylors' are a famous family of Schools, each with an enviable reputation on Merseyside, throughout the North West of England, and nationwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 109 contacts → | ||||
Strong evidence “Solihull is an award-winning 3-18 independent day school in the West Midlands.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 109 contacts → | ||||
Indirect evidence “King's College, Taunton offers an outstanding education for pupils aged 2-18 in the heart of Somerset.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 106 contacts → | ||||
Strong evidence “Stockport Grammar School is a 3 to 18 co-educational day school which recognises the value of each pupil as an individual, and the importance of nurturing every aspect of their…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 103 contacts → | ||||
Strong evidence “Dollar Academy is recognised as one of the UK’s leading day and boarding schools; distinguished by its excellence in pastoral care, co-curricular provision and classroom teaching.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 94 contacts → | ||||
Strong evidence “RGS Worcester is an academically selective Independent day School that can trace its origins to 685 making it the sixth oldest school in the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 92 contacts → | ||||
Partial evidence “A great school is a combination of different things.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 92 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 91 contacts → | ||||
Partial evidence “For more than 400 years, Haberdashers' Monmouth School has been inspiring young people to discover their passions, embrace opportunities and fulfil their potential.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 88 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 86 contacts → | ||||
Indirect evidence “BCS is situated on the South Coast in stunning locations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 86 contacts → | ||||
Strong evidence “Clifton High School is an academically selective, co-educational, independent day school for over 650 pupils aged 3-18 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 83 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 77 contacts → | ||||
Partial evidence “The King Alfred School is a co-educational independent school in Hampstead in North West London.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 77 contacts → | ||||
Strong evidence “Pocklington in an inclusive, family focused and academic day and boarding school that offers incredible experiences inside and outside the classroom for children aged 0-18 years.” 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: day 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 day schools.
- Partial evidence
- Its own public description names part of day schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name day 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 1,129 day schools based in the United Kingdom
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Day schools based in the United Kingdom at a glance
As of Sep 19, 2026Companies by employee count
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 1,129 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 day 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 Kingdom whose own description of what they do matches “day 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 day 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 day schools, and records with no verified work email. Companies headquartered outside United Kingdom 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, 4,011 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.
Day schools by metro
- Day schools in London104
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 day 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 day schools are there based in the United Kingdom?
RevenueBase identified 1,129 day schools headquartered in the United Kingdom 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?
Alleyn's School, headquartered in London, tops this list with the largest team on record.
Which city has the most day schools?
London leads with 104 headquartered companies, followed by Manchester (22) and Birmingham (16).
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 4,011 verified decision-maker contacts tracked across these 1,129 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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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.