St Mary's School Cambridge
The principal activity is the running of St Mary's School, Cambridge as an independent Catholic school for girls.
Activities & Mission
The principal activity is the running of St Mary's School, Cambridge as an independent Catholic school for girls.
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 84% of UK Beneficiary group charities with income over £10M (sample: 372). How is this calculated?
Higher than 48% of UK Beneficiary group charities with income over £10M. How is this calculated?
Lower overhead than 41% 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 | £13,348,849 | £13,809,237 | £13,471,560 | £18,068,722 | £17,386,843 | 160 / 10 |
| 2024 | £12,698,538 | £13,228,699 | £12,997,877 | £18,487,421 | £17,387,709 | 160 / 12 |
| 2023 | £13,647,329 | £12,468,994 | £12,201,105 | £18,950,671 | £17,695,985 | 160 / 13 |
| 2022 | £12,288,281 | £11,201,370 | £11,007,853 | £17,752,491 | £16,780,895 | 145 / 13 |
| 2021 | £11,190,320 | £10,016,137 | £9,896,614 | £16,739,563 | £15,925,078 | 146 / 22 |
Staff column shows: Employees / Volunteers
Frequently asked questions about St Mary's School Cambridge
What does St Mary's School Cambridge do?
The principal activity is the running of St Mary's School, Cambridge as an independent Catholic school for girls.
How much income did St Mary's School Cambridge report in 2025?
St Mary's School Cambridge reported total income of £13.35m and reported expenditure of £13.81m 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 Cambridge?
St Mary's School Cambridge has a program ratio of 100.9%, meaning that share of its income goes directly to charitable activities. This is higher than 84% 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 Cambridge registered as a charity?
St Mary's School Cambridge was registered with the Charity Commission for England and Wales on 2 October 1984 as charity number 290180. It has been registered for 42 years.
Who runs St Mary's School Cambridge?
St Mary's School Cambridge is governed by a board of 11 trustees. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does St Mary's School Cambridge operate?
St Mary's School Cambridge operates across 4 areas: Cambridgeshire, Essex, Hertfordshire and Suffolk.
Is St Mary's School Cambridge a registered charity?
Yes — St Mary's School Cambridge is a registered charity in England and Wales, charity number 290180.
Details
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CAMBRIDGE
CB2 1LY
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
Also governs 1 other charity
Sectors & Classifications
Data & trust
- Register data refreshed
- 30 July 2026
- Methodology
- How metrics are calculated