St Mary's School Ascot
Also known as: St Mary's School Ascot Trust
St Mary's School Ascot is a Roman Catholic independent boarding school for girls aged 11 to 18.
Activities & Mission
St Mary's School Ascot is a Roman Catholic independent boarding school for girls aged 11 to 18.
Areas of Operation
Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
Local Authority
Financial Information
Financial Efficiency
Higher than 47% of UK Beneficiary group charities with income over £10M (sample: 372). How is this calculated?
Higher than 65% of UK Beneficiary group charities with income over £10M. How is this calculated?
Lower overhead than 60% of UK Beneficiary group charities with income over £10M. (Lower overhead is generally read as more efficient.) How is this calculated?
Latest Financial Breakdown
Income Sources
Expenditure Categories
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £22,134,000 | £20,880,000 | £20,712,000 | £29,969,000 | £29,969,000 | 282 / 0 |
| 2024 | £21,027,000 | £20,470,000 | £20,304,000 | £28,715,000 | £28,715,000 | 291 / 0 |
| 2023 | £18,921,000 | £18,740,000 | £18,594,000 | £28,158,000 | £0 | 287 / 0 |
| 2022 | £16,968,000 | £17,006,000 | £16,909,000 | £27,977,000 | £27,977,000 | 288 / 0 |
| 2021 | £15,800,000 | £16,125,000 | £16,053,000 | £28,015,000 | £28,015,000 | 289 / 0 |
Staff column shows: Employees / Volunteers
Frequently asked questions about St Mary's School Ascot
What does St Mary's School Ascot do?
St Mary's School Ascot is a Roman Catholic independent boarding school for girls aged 11 to 18.
How much income did St Mary's School Ascot report in 2025?
St Mary's School Ascot reported total income of £22.13m and reported expenditure of £20.88m for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
How efficient is St Mary's School Ascot?
St Mary's School Ascot has a program ratio of 93.6%, meaning that share of its income goes directly to charitable activities. This is higher than 47% of UK Beneficiary group charities with income over £10M (sample of 372 charities). See our methodology for how this is calculated.
When was St Mary's School Ascot registered as a charity?
St Mary's School Ascot was registered with the Charity Commission for England and Wales on 10 October 1984 as charity number 290286. It has been registered for 42 years.
Who runs St Mary's School Ascot?
St Mary's School Ascot is governed by a board of 11 trustees. The chair of trustees is Clementine Mary Vaughan. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does St Mary's School Ascot operate?
St Mary's School Ascot operates in Windsor And Maidenhead, as recorded in its Charity Commission filing.
Is St Mary's School Ascot a registered charity?
Yes — St Mary's School Ascot is a registered charity in England and Wales, charity number 290286.
Details
ST. MARYS ROAD
ASCOT
SL5 9JF
Registry Information
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Major UK charities in the same primary sector, drawn from the curated priority cohort.
Trustees
Also governs 1 other charity
Sectors & Classifications
Also Known As
- St Mary's School Ascot Trust
Data & trust
- Register data refreshed
- 30 July 2026
- Methodology
- How metrics are calculated