SecondaryAcademyOpen

Blackfen School for Girls

Blackfen Road, Sidcup, Kent, DA15 9NU · URN 137965

Public data summary

5.5

out of 10 · 24 data sources

Coverage 71% · Strong

Record

At a glance

Ofsted: Good
Pupils: 1,308
Age range: 11–18
Gender: Girls
Capacity: 1,500
Local authority: Bexley

Outcomes

Published performance

GCSE Progress 8: -0.14
GCSE Attainment 8: 46.9
A-level average: C
Sustained education: 46.0%
University: 44.0%

Context

Attendance and community

Overall absence: 10.4%
Persistent absence: 31.1%
Free school meals: 7.8%
SEN support: 10.0%
English additional language: 16.6%

Resources

Workforce and funding

Pupil–teacher ratio: 16.6:1
Average class size: 21.4
Staff turnover: 16.8%

Official-data model

Data dimensions

Achievement

6.2

5 contributing signals

Progress

6.0

1 contributing signals

Attendance

4.1

5 contributing signals

Resources

4.5

3 contributing signals

Equity

5.4

5 contributing signals

Destinations

6.3

5 contributing signals

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School contact

Official website

02083031887

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.