What are St Mary's School for Girls's latest exam results?

St Mary's School for Girls: GCSE 2024/25: Attainment 8 66.3. Figures are from DfE-published performance tables.

Where is St Mary's School for Girls located?

St Mary's School for Girls is a secondary school in Colchester, Essex (CO3 3RB).

How many pupils attend St Mary's School for Girls?

St Mary's School for Girls has around 419 pupils on roll according to the latest school census data.

How can I compare St Mary's School for Girls with other schools?

View St Mary's School for Girls'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 Essex.

IndependentData as of May 2026

St Mary's School for Girls

91 Lexden Road, Colchester, CO3 3RB

Other independent school

Girls

Pupils

419

Ages

2-17

Attainment 8

66.3

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

66.3

Progress 8?

N/A

9-7 Grades

53.0%

Basics 9-5

82.4%

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

68.6%

EBacc APS

6.25

EBacc 9-5

45.1%

EBacc 9-4

56.9%

How to read Progress 8 vs Attainment 8Two numbers, two different stories. The 6-min explainer for parents.

Community & Reviews

What parents say and who teaches here

Parent Reviews

Location & Nearby

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