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St Mary's School for Girls

Essex·Not applicable·East of England·Other independent school·CO3 3RB
URN: 115394
66.5
Attainment 8
National avg ≈ 46.4 · 2024/2025
n/a
Progress 8
No published value in available years
100.0%
5+ Eng & Maths
Grade 5+ in both · 2024/2025
68.6%
EBacc entry
% entering EBacc · 2024/2025

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 outcomesAcademic data not assessed

Academic signal is not available for this school phase in our current dataset.

Pupil progressLimited progress data

No Progress 8 data is available for this school in the years we hold.

Admissions realismAdmissions realism: not yet assessed

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 is a selective school. Admission usually requires passing an entrance test. Check the school's admissions policy for test registration deadlines.

Watch-outs
  • Selective admissions: an entrance test (usually the 11+ or equivalent) is required. Check registration and test dates well in advance.
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Performance over time

Attainment 8 over time

Independent School Entry

Only source-backed entry information found on the school's own website is shown below.

Financial assistance

Bursaries or scholarships are referenced on the school website.

What subjects are studied at the Senior School? How many classes are there in a year group? What is Round Square? What are the school houses? How do you apply for a Scholarship? inspection report In February 2026, St Mary’s was confirmed to have met all the standards required by the Independent Schools Inspectorate (IS...

Verified exam details

Exam type
NFER 11+ Assessment
Exam provider
GL Assessment

Open days from the school website

Visit Us
St Mary’s Colchester HomeVisit Us Contact Us Find contact details here More Admissions More Term Dates View our term dat

Entry requirements

Contact Us Find contact details here More prospectus Download our prospectus here More Register Register for a place at St Mary’s More Visit Us | Private School Essex | St Mary’s Colchester HomeVisit Us Contact Us Find contact details here More Admissions More Term Dates View our term dates More Empowering girls | Independent Girls Schools | St Mary’s Colchester Empowering girls St Mary’s Colche

Verification

Data year
2026
Last verified
12 Apr 2026
Confidence
40%
Pages checked
3

Historical results

YearPupilsAtt8P85+ E&MEBacc %EBacc APS
2024/20255166.5100.0%68.6%6.3
2023/20245059.194.0%66.0%5.7
2022/20235258.190.0%62.0%5.5
2021/20224862.094.0%65.0%6.0

School information

URN115394
Local authorityEssex
RegionEast of England
PhaseNot applicable
TypeOther independent school
Gender of entryGirls
Age range2-17
HeadteacherHeadteacher Nicola Griffiths
Trust
AdmissionsNon-selective
Religious characterNone
PostcodeCO3 3RB
Latest pupils51
FSM eligible

Contact and identifiers

91 Lexden Road, Colchester, Essex, CO3 3RB

www.stmaryscolchester.org.ukView local authority page1206572544
DfE number6008
UKPRN10017376
Opened1 Jan 1908
GIAS updated26 Mar 2026

Data sources and freshness

Official record updated26 Mar 2026
Latest KS4 year2024/2025
Latest KS2 year
Ofsted published