SecondaryAcademyOpen

The Cornerstone Academy

Blandford Close, Poole, Dorset, BH15 4BQ · URN 139258

Public data summary

4.3

out of 10 · 12 data sources

Coverage 35% · Solid

Record

At a glance

Ofsted: Good
Pupils: 339
Age range: 11–16
Gender: Mixed
Capacity: 900
Local authority: Bournemouth, Christchurch and Poole

Outcomes

Published performance

GCSE Progress 8: -0.03
GCSE Attainment 8: 40.7

Context

Attendance and community

Free school meals: 19.5%
SEN support: 21.3%
English additional language: 18.0%

Resources

Workforce and funding

Pupil–teacher ratio: 8.7:1
Average class size: 22.9
Staff turnover: 17.9%

Official-data model

Data dimensions

Achievement

5.9

4 contributing signals

Progress

6.4

1 contributing signals

Attendance

1.2

2 contributing signals

Resources

5.4

3 contributing signals

Equity

1.2

2 contributing signals

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School contact

Official website

01202676789

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.