SecondaryAcademyOpen

Altrincham Grammar School for Boys

Marlborough Road, Altrincham, Cheshire, WA14 2RS · URN 136458

Public data summary

8.5

out of 10 · 26 data sources

Coverage 76% · Strong

Record

At a glance

Ofsted: Outstanding
Pupils: 1,421
Age range: 11–18
Gender: Boys
Capacity: 1,231
Local authority: Trafford

Outcomes

Published performance

GCSE Progress 8: 1.32
GCSE Attainment 8: 79.9
A-level average: A-
Sustained education: 75.0%
University: 74.0%

Context

Attendance and community

Overall absence: 5.0%
Persistent absence: 14.3%
Free school meals: 4.0%
SEN support: 8.1%
English additional language: 48.8%

Resources

Workforce and funding

Pupil–teacher ratio: 18.0:1
Average class size: 22.0
Staff turnover: 4.9%

Official-data model

Data dimensions

Achievement

9.6

5 contributing signals

Progress

10.0

3 contributing signals

Attendance

8.1

6 contributing signals

Resources

7.5

4 contributing signals

Equity

8.2

3 contributing signals

Destinations

6.9

5 contributing signals

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School contact

Official website

01619280858

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.