Blackfen School for Girls
93%
Capacity
1,402
Pupils
2.6x
Demand
About Blackfen School for Girls
Blackfen School for Girls is a state secondary in the London borough of Bexley, a local authority with 17 schools of the same type. Among them, it ranks 11th by Progress 8 score, placing it in the bottom half of the LA. The top-performing peers nearby are all grammar schools: Chislehurst and Sidcup Grammar School, St Catherine's Catholic School, and Townley Grammar School. The nearest school rated Outstanding by Ofsted is Bexley Grammar School, just 0.8 km away. Blackfen itself holds a Good rating from its most recent inspection in March 2025, with all assessed areas — quality of education, behaviour and attitudes, personal development, leadership and management, and sixth-form provision — all judged Good. The school is a girls-only secondary with a co-educational sixth form, and it is significantly oversubscribed: for 180 places in 2025/26, it received 472 applications, a ratio of 2.62 applicants per place, with 111 first-preference offers made.
Academically, Blackfen's Progress 8 score of -0.14 is below the Bexley LA average of 0.03, and the school is ranked in the bottom 50 nationally. Its Attainment 8 score is 46.9, and 68.2% of pupils achieved a grade 4 or above in English and maths, though this drops to 46.2% at grade 5 or above. The EBacc entry rate is 21.5%, with 16.1% achieving the EBacc at grade 4 or above. In the sixth form, the picture is stronger: the value-added score is 0.18, rated Above average, and the average points per entry is 31.65, equivalent to a grade C. The best three A-levels average out at a C+ grade, with 32.92 points. The school's Ofsted breakdown shows that in its previous inspection in 2011, it was also rated Good overall, with leadership and management and sixth-form provision both graded 2. The most recent inspection did not assign an overall effectiveness grade, but all individual categories were Good.
The school offers a broad range of facilities including a swimming pool, theatre, astro turf, and a sixth form centre. Sports include netball, hockey, rugby, and martial arts, while clubs range from Book Club and Coding to Model UN and the Duke of Edinburgh's Award. SEND provisions cover specific learning difficulties, autism, speech and language needs, and hearing or visual impairments, with a resourced provision on site. Parent View responses from 134 respondents in the 2024/25 period show 78% would recommend the school. Strong positives include 90% agreeing their child is happy, 90% feeling safe, and 92% agreeing there is a good range of subjects. However, only 67% agreed that concerns are dealt with properly, and 57% felt the school makes them aware of what their child will learn. For families considering Blackfen, it is a popular, oversubscribed girls' school with a solid sixth form and good facilities, but academic outcomes at GCSE are below the local average, and the school faces strong competition from nearby grammar schools.
Key Details
| School Type | Secondary (State) |
| Age Range | 11 to 18 years |
| Gender | Girls |
| Religious Character | Does not apply |
| Address | Blackfen Road, Sidcup, Bexley, DA15 9NU |
| Headteacher | Carrie Senior |
| Local Authority | Bexley |
| Number of Pupils | 1,402 |
| Free School Meals (FSM) | 15.1% |
| School Capacity | 1,402 / 1,500 (93% full) |
| Sixth Form | Yes |
Ofsted Inspection Breakdown
11 Mar 2025Quality of Education
Good
Since Sep 2024, Ofsted no longer assigns a single overall grade
Additional Provisions
Source: Ofsted, 28 Apr 2025. Ratings: 1=Outstanding, 2=Good, 3=Requires Improvement, 4=Inadequate.
League Table Position
Based on Progress 8 (-0.14)
1873rd of 3,141
Nationally
389th of 487
In London
11th of 16
In Bexley
Source: Classpot analysis of DfE Progress 8 data
GCSE Results
2023/24Progress 8 Score
Students make similar progress to students nationally with the same starting point
Attainment 8 (vs national avg)
Students achieve significantly higher grades than the national average
Source: Department for Education, 2023/24. Progress 8 compares to students with similar Key Stage 2 results.
A-Level Results
2023/24Average Points per Entry
Value Added Score
Best 3 A-Levels (Average)
'21/22
37.9
'22/23
30.9
'23/24
31.6
Source: Department for Education 16-18 Performance Tables, 2023/24. Value Added measures progress compared to students with similar GCSE results.
Where school leavers go
2022/2345%
of A-level / Level 3 leavers go to higher education (cohort: 186 pupils).
Top-tier university progression
5%
Russell Group
5%
Top-third HE
Percentages of the whole cohort (not just HE-goers). Russell Group = 24 elite research universities. Top-third HE = top by mean UCAS tariff.
- University (HE)45%
- Employment29%
- Apprenticeship13%
- Not sustained9%
- Further education2%
Sources: DfE 16-18 destination measures (broad bucket); DfE KS5 student destinations file (Russell Group / top-third HE / Oxbridge). Level 3 cohort. “Sustained” means the pupil was in education, apprenticeship or employment for 6 months in the year following completion.
Ofsted Parent View
134 responsesWould Recommend This School
Source: Ofsted Parent View (GOV.UK statistical data), Sep – Sep 2025
SEND Support
Resourced ProvisionSource: Department for Education, 2024/25. Support availability based on current student population.
Facilities
13Facilities may vary. Contact the school for current availability.
Extracurriculars
16Sports
Clubs & Activities
Activities may vary by term. Contact the school for current offerings.
Admissions
2025/26Oversubscribed180
472
Good Demand
Popular school with more applications than places
111 families put this school as their 1st choice (24% of all applications)
Source: Department for Education, 2025/26. Data reflects national offer day applications and offers.
Class profile
2024/25Better than half of schools in England.
Better than 75% of schools in England.
Lower is generally better — fewer pupils per teacher or per class means more individual attention. Sources: DfE School Workforce Census & Schools, pupils and their characteristics, 2024/25.
Pupils & demographics
2024/25Below the national average (25%).
Above the national median (10%) — a meaningful share speak English as an additional language.
Ethnic background
- White British62.8%
- Asian14.8%
- White (other)5.6%
- Mixed5.6%
- Black1.6%
Source: DfE Schools, pupils and their characteristics (2024/25). Percentages may not sum to 100% — pupils classified as “unclassified”, “refused” or minor categories are not shown.
Attendance & Behaviour
2024/2575% of schools in England do better than this.
75% of schools in England do better than this.
Pupils missing 10% or more of sessions.
75% of schools in England do better than this.
A pupil temporarily sent home for behaviour.
Permanent exclusion is rare — most schools have none in a given year.
Ranks vs all state-funded schools in England. Source: DfE Pupil absence in schools & Suspensions and permanent exclusions.
Catchment & Local Competition
No catchment data published for this school
The dashed grey ring is a generic 1-mile reference area — it's not an admission boundary. Real catchment depends on year, demand, and council criteria. We currently have real data for about 6% of UK schools and are actively expanding the database.
⚠ This school is oversubscribed — without published cutoff data we can't show how far places reach. Check your council's admissions page.
Schools within 1 mile (reference area)
1 mile is a fixed reference, not this school's catchment.
16
Total schools
13
Oversubscribed
11
Primary
Don’t use the dashed grey ring as a catchment boundary — it’s a reference area for counting nearby schools only. Real admission boundaries depend on year-by-year demand and council criteria; ask the school or council for authoritative info.
Frequently Asked Questions About Blackfen School for Girls
Helpful Guides for Parents
Ofsted Ratings Explained
Understand the 4 Ofsted ratings and what they mean
Understanding Progress 8
Learn how Progress 8 measures pupil progress from primary to GCSE
SEN & EHCP: A Parent's Guide
Understanding SEN support, EHC Plans and your legal rights
Understanding School Catchment Areas
How admission distances work and tips for maximising your choices
Contact Information
Blackfen Road, Sidcup
Bexley, DA15 9NU
Journey to School
Journey times are estimates based on current conditions. Actual times may vary.
Opening Hours
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