St Mary's School
Decision summary
This summary combines published school data and is designed to help you decide what to check next. It does not guarantee a school place or replace official admissions guidance.
Academic signal is not available for this school phase in our current dataset.
No Progress 8 data is available for this school in the years we hold.
Admissions realism depends on your home postcode and the school's published allocation data. Enter your postcode on this page to get a more specific assessment, and always verify the latest policy on the school's official admissions page.
This school has a Anglican religious character. Admissions may prioritise pupils who meet faith criteria. A Supplementary Information Form (SIF) may be required.
- Faith admissions criteria apply (Anglican). A Supplementary Information Form may be required. Evidence of faith practice may be needed.
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- Download and review the Supplementary Information Form
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Performance over time
Attainment 8 over time
Independent School Entry
Official links
Verified fees
Financial assistance
Bursaries or scholarships are referenced on the school website.
Mrs Liz Szczerbiak Registrar Click here to email our Registrar Read about St Mary's on The Good Schools Guide Explore further Joining Us Visit Us Scholarships and Bursaries
Fee evidence
ISC day fees/term (excl VAT): £2,208 to £7,114 -> £6,624/yr (x3)
Verified exam details
Open days from the school website
Entry requirements
Year 12 2027 Scholarship Application Deadline: Friday 13 November 2026 – applications should be made when registering your daughter for a place in Sixth Form, via this registration form
Verification
Historical results
| Year | Pupils | Att8 | P8 | 5+ E&M | EBacc % | EBacc APS |
|---|---|---|---|---|---|---|
| 2024/2025 | 56 | 37.6 | — | 1.8% | 0.0% | 3.0 |
| 2023/2024 | 54 | 38.7 | — | 0.0% | 0.0% | 2.9 |
| 2022/2023 | 52 | 49.3 | — | 0.0% | 0.0% | 4.3 |
| 2021/2022 | 45 | 49.5 | — | 0.0% | 0.0% | 4.2 |
School information
| URN | 110544 |
| Local authority | Buckinghamshire |
| Region | South East |
| Phase | Not applicable |
| Type | Other independent school |
| Gender of entry | Girls |
| Age range | 3-18 |
| Headteacher | Headteacher Lars Fox |
| Trust | — |
| Admissions | Not applicable |
| Religious character | Anglican |
| Postcode | SL9 8JQ |
| Latest pupils | 56 |
| FSM eligible | — |
Contact and identifiers
Packhorse Road, Gerrards Cross, Buckinghamshire, SL9 8JQ
www.stmarysgx.co.uk1753883370| DfE number | 6006 |
| UKPRN | 10008519 |
| Opened | 1 Jan 1942 |
| GIAS updated | 18 Mar 2026 |
Data sources and freshness
| Official record updated | 18 Mar 2026 |
| Latest KS4 year | 2024/2025 |
| Latest KS2 year | — |
| Ofsted published | — |