SecondaryAcademyOpen

Colchester Royal Grammar School

Lexden Road, Colchester, CO3 3ND · URN 149899

Public data summary

6.7

out of 10 · 21 data sources

Coverage 62% · Solid

Record

At a glance

Ofsted: Inadequate
Pupils: 136
Age range: 11–18
Gender: Boys
Capacity: 777
Local authority: Essex

Outcomes

Published performance

GCSE Progress 8: 1.09
GCSE Attainment 8: 83.4
A-level average: A

Context

Attendance and community

Overall absence: 5.2%
Persistent absence: 16.0%
Free school meals: 3.6%
SEN support: 7.6%
English additional language: 11.0%

Resources

Workforce and funding

Pupil–teacher ratio: 16.7:1
Average class size: 20.9
Staff turnover: 15.8%

Official-data model

Data dimensions

Achievement

9.9

5 contributing signals

Progress

8.2

3 contributing signals

Attendance

5.8

6 contributing signals

Resources

3.3

4 contributing signals

Equity

4.5

3 contributing signals

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School contact

Official website

01206509100

School records are retained from official public datasets and managed through the Y School admin. This atlas is a supporting layer, not the current Y School product. Last refreshed 02/06/2026.