Academic Performance
verified Data: UK Gov 2024/25Secondary Performance Trends (KS4)
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66.5
82.40%
NP
vs National Avg59.1
-%
NP
vs National Avg58.1
-%
NP
vs National Avg62
-%
-
-
-%
NP
vs National Avg57.4
-%
NP
vs National Avg60.4
-%
Ofsted
Unrated
Students
408
Attainment 8
66.5
GCSE Rank
#6 in Essex
#167 of 4,663 nationally
St Mary's School for Girls is a Other independent school school in Colchester, serving ages 2-17.
St Mary's School for Girls is an other independent school in Colchester, Essex, admitting pupils aged 2-17. The school has approximately 419 pupils on roll.
In 2025, pupils achieved an Attainment 8 score of 66.5, placing the school #6 in Essex and #167 of 4,663 nationally. 82.40% of pupils achieved grade 5 or above in English and Maths. 47.4% of all GCSE entries were graded 9–7.
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66.5
82.40%
NP
vs National Avg59.1
-%
NP
vs National Avg58.1
-%
NP
vs National Avg62
-%
-
-
-%
NP
vs National Avg57.4
-%
NP
vs National Avg60.4
-%
No inspection data
We couldn't find any historical Ofsted records for this specific school location.
Data sources: School information from GIAS (DfE). Ofsted inspection data from Ofsted. Performance data from DfE Performance Tables. Parent View data from Ofsted Parent View. Census data from DfE Explore Education Statistics. Rankings are computed by SchoolsInfo.uk using public DfE data. Data updated annually. Last refresh: March 2026. How we calculate rankings →
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