Blackfen School for Girls

Secondary
Academy
Ages 11 to 18

Ofsted judgements: Good

Blackfen Road, Sidcup, DA15 9NUOpen in maps (opens in a new tab)

Blackfen School for Girls is a secondary school in Bexley for ages 11 to 18. It is one of the 90 schools in Bexley. It ranks 10th of 16 secondary schools in Bexley. Its latest Ofsted inspection, in March 2025, graded each key judgement and gave no overall Ofsted rating.

Ofsted inspection

Inspected 11 March 2025, report published 28 April 2025

This inspection graded each key judgement and gave no overall effectiveness grade.

Quality of education: Good
Behaviour and attitudes: Good
Personal development: Good
Leadership and management: Good
Sixth form provision: Good
Safeguarding: Met

Read the full Ofsted report (opens in a new tab)

Exam results

GCSE results (key stage 4), 2024/25

228 pupils in the year group

Attainment 8 score44.1

44.1, 2 below the England average of 46.1.

Grade 5 or above in English and maths38.6%

38.6%, 6.8 percentage points below the England average of 45.4%.

Grade 4 or above in English and maths61%

61%, 3.8 percentage points below the England average of 64.8%.

Pupils entering the EBacc21.9%

21.9%, 18.6 percentage points below the England average of 40.5%.

EBacc average point score3.63

3.63, 0.46 below the England average of 4.09.

A level results (key stage 5), 2024/25

135 students

Average point score per A level entry34.00

34.00, 1 below the England average of 35.00.

Average A level grade C+, England average B-

Pupil numbers and mix

1,324 pupils on roll, with places for 1,500

Eligible for free school meals14.4%

14.4%, 12.1 percentage points below the England average of 26.5%.

English as an additional language18.1%

18.1%, 3.5 percentage points below the England average of 21.6%.

Special educational needs support12.2%

12.2%, 2.6 percentage points below the England average of 14.8%.

Education, health and care plan4%

4%, 2 percentage points below the England average of 6%.

Schools near Blackfen School for Girls

School	Distance	Ofsted	Results
Bexley Grammar School	0.6 miles	Ofsted: Outstanding	Attainment 8: 74.7
Hurstmere School	0.7 miles	Ofsted: Requires improvement	Attainment 8: 42.1
Chislehurst and Sidcup Grammar School	0.9 miles	Ofsted: Good	Attainment 8: 75.6
Townley Grammar School	1 mile	Ofsted: Outstanding	Attainment 8: 75.0
Harris Academy Falconwood	1 mile	Ofsted: Good	Attainment 8: 47.3

School details

School type: Academy converter
Sector: Academy
Trust: BLACKFEN SCHOOL FOR GIRLS
Age range: 11 to 18
Gender: Girls
Sixth form: Yes
Headteacher: Ms Carrie Senior
Phone: 02083031887
Website: blackfenschoolforgirls.co.uk (opens in a new tab)
Address: Blackfen Road, Sidcup, DA15 9NU
Local authority: Bexley
URN: 137965

School details from Get Information about Schools, 17 September 2026. Ofsted outcomes published to 31 August 2026. Exam results for 2024/25 from the Department for Education. Pupil mix from the school census, 2025/26.