SecondaryAcademyOpen

St Martin's School Brentwood

Hanging Hill Lane, Brentwood, Essex, CM13 2HG · URN 136875

Public data summary

5.8

out of 10 · 21 data sources

Coverage 62% · Solid

Record

At a glance

Pupils: 819
Age range: 11–18
Gender: Mixed
Capacity: 1,805
Local authority: Essex

Outcomes

Published performance

GCSE Progress 8: -0.01
GCSE Attainment 8: 49.2
A-level average: C+
Sustained education: 57.0%
University: 55.0%

Context

Attendance and community

Overall absence: 7.5%
Persistent absence: 19.5%
Free school meals: 7.4%
SEN support: 11.9%
English additional language: 4.7%

Resources

Workforce and funding

Pupil–teacher ratio: 11.7:1
Average class size: 23.2
Staff turnover: 10.8%

Official-data model

Data dimensions

Achievement

6.9

5 contributing signals

Progress

6.5

1 contributing signals

Attendance

4.7

5 contributing signals

Resources

5.5

3 contributing signals

Equity

4.2

2 contributing signals

Destinations

6.2

5 contributing signals

Continue

Explore the school atlas

Nearby schools Browse atlas Rankings

School contact

Official website

01277238300

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.