SecondaryAcademyOpen

Dr Challoner's Grammar School

Chesham Road, Amersham, Buckinghamshire, HP6 5HA · URN 136419

Public data summary

8.6

out of 10 · 29 data sources

Coverage 85% · Strong

Record

At a glance

Ofsted: Outstanding
Pupils: 91
Age range: 11–18
Gender: Boys
Capacity: 1,356
Local authority: Buckinghamshire

Outcomes

Published performance

GCSE Progress 8: 1.18
GCSE Attainment 8: 77.5
A-level average: A-
Sustained education: 84.0%
University: 84.0%

Context

Attendance and community

Overall absence: 5.5%
Persistent absence: 14.6%
Free school meals: 1.6%
SEN support: 15.1%
English additional language: 17.4%

Resources

Workforce and funding

Pupil–teacher ratio: 17.8:1
Average class size: 26.8
Staff turnover: 12.4%

Official-data model

Data dimensions

Equity

8.4

6 contributing signals

Destinations

7.3

5 contributing signals

Achievement

10.0

5 contributing signals

Progress

10.0

3 contributing signals

Attendance

8.1

6 contributing signals

Resources

6.8

4 contributing signals

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School contact

Official website

01494787500

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.