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St Mary's School

Independent

St Mary's School

Packhorse Road, Gerrards Cross, SL9 8JQ

Other independent school
Girls
Anglican
Pupils
439
Ages
3-18
Attainment 8
37.4

Inspected by ISI, not Ofsted

?

Since September 2023, ISI no longer awards an overall grade like Good or Outstanding. Read the school's latest report for compliance, significant strengths, and areas for improvement.

Find reports on isi.net
Inspection
ISI inspected

Exam Results

Official performance data from the Department for Education

GCSE Results (Secondary)

Key performance measures— 2024/25

Attainment 8
37.4
Progress 8?
N/A
9-7 Grades
51.4%
Basics 9-5
1.8%

Trend — Attainment 8 & Progress 8

Progress 8 not available for 2024/25 — DfE cannot calculate it because COVID-19 cancelled this cohort's KS2 SATs (the baseline). Expected to return in 2026/27.

Grade Distribution (%)

9–7% / 9–5% / 9–4% available from 2023/24; no grade breakdown for 2022/23

EBacc Measures

EBacc Entry
0.0%
EBacc APS
3.02
EBacc 9-5
0.0%
EBacc 9-4
0.0%
How to read Progress 8 vs Attainment 8Two numbers, two different stories. The 6-min explainer for parents.

A-Level Results (Post-16)

Key A-Level performance measures— 2024/25

APS per Entry
38.20
A*-A Grades
23.0%
A*-B Grades
67.6%
AAB+ %
0.0%

APS per Entry

National avgSelective avg

Grade Distribution (%)

A*-A% / A*-B% available from 2023/24; no grade breakdown for 2022/23

Based on 27 students entered

Community & Reviews

What parents say and who teaches here

Parent Reviews

Location & Nearby

Explore the area and compare alternatives

Data shown for guidance only · confirm details with the school before applying

About St Mary's School

St Mary's School is a secondary school in Gerrards Cross, Buckinghamshire. Latest published results: GCSE 2024/25: Attainment 8 37.4. The school has around 439 pupils on roll. Use this page to explore performance trends, inspection history, admissions notes and neighbourhood context before applying.

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Location: Packhorse Road, Gerrards Cross, SL9 8JQ | More schools in Buckinghamshire

Frequently asked questions about St Mary's School

What are St Mary's School's latest exam results?
St Mary's School: GCSE 2024/25: Attainment 8 37.4. Figures are from DfE-published performance tables.
Where is St Mary's School located?
St Mary's School is a secondary school in Gerrards Cross, Buckinghamshire (SL9 8JQ).
How many pupils attend St Mary's School?
St Mary's School has around 439 pupils on roll according to the latest school census data.
How can I compare St Mary's School with other schools?
View St Mary's School's full profile on FavSchools for multi-year results and Ofsted history, then use the comparison tool or interactive map to explore nearby alternatives in Buckinghamshire.