SecondaryAcademyOpen

The Sandon School

Molrams Lane, Chelmsford, Essex, CM2 7AQ · URN 137240

Public data summary

5.5

out of 10 · 26 data sources

Coverage 76% · Strong

Record

At a glance

Ofsted: Requires Improvement
Pupils: 612
Age range: 11–18
Gender: Mixed
Capacity: 1,253
Local authority: Essex

Outcomes

Published performance

GCSE Progress 8: 0.15
GCSE Attainment 8: 49.3
A-level average: C-
Sustained education: 56.0%
University: 54.0%

Context

Attendance and community

Overall absence: 9.0%
Persistent absence: 24.7%
Free school meals: 10.4%
SEN support: 9.6%
English additional language: 6.7%

Resources

Workforce and funding

Pupil–teacher ratio: 8.7:1
Average class size: 21.6
Staff turnover: 15.3%

Official-data model

Data dimensions

Achievement

6.2

5 contributing signals

Progress

5.0

3 contributing signals

Attendance

5.3

6 contributing signals

Resources

4.9

4 contributing signals

Equity

5.5

3 contributing signals

Destinations

6.3

5 contributing signals

Continue

Explore the school atlas

Nearby schools Browse atlas Rankings

School contact

Official website

01245473611

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.