Blackfen School for Girls, Sidcup
Blackfen School for Girls is a secondary school for girls aged 11 to 18 in Sidcup. It was rated Good at its last graded Ofsted inspection, in November 2011. Ofsted's ungraded inspection in March 2025 did not change this grade. Its 2026 GCSE results were the 2nd-highest of the 5 schools in Sidcup with published results, and 1,588th of 3,298 across England. It was 94% full in 2025.
- GCSE results
- In line with England
- Ofsted
- Good (2011)
- Demand
- Every first choice offered
- Attendance
- Below England average
- Progress (2024)
- Below average
Year 7 applications for September 2027 close in 5 days
Deadline Saturday 31 October 2026. Apply to Bexley (the council where you live). Offers on 1 March.
Data last updated 26 Oct 2026
Blackfen School for Girls in detail
Blackfen School for Girls in its own words
In its own words: "Admissions Blackfen school is an 11-18 non-selective school in the London Borough of Bexley. The school participates in the Bexley Co-ordinated Secondary School Admissions Scheme and the application process dates will be those set out in that scheme."
Vision and values (school website)
Source: The school's own website
Results
In 2026, pupils at Blackfen School for Girls averaged an Attainment 8 score of 46.2, the average grade across their best eight GCSEs. The average state school scored 52.2 in Bexley and 47 across England.
44% passed English and maths at grade 5 or above, against 56% in Bexley and 47% in England.
That is up from 44.1 in 2025.
Its most recent Progress 8 score, for 2024, was -0.14: pupils made below average progress compared with pupils nationally who started secondary school at the same level. Progress 8 was not published for 2026.
Disadvantaged pupils averaged an Attainment 8 of 37.9, against 48.4 for other pupils at the school - a gap of 10.5 points.
Pupils sat GCSEs in 25 subjects; after English and maths, the most popular were Combined Science, Social Studies and Business Studies.
Getting a place at Blackfen School for Girls
For September 2026 entry, 120 families put Blackfen School for Girls as their first choice and 534 named it as one of their preferences, for 223 places offered. It had fewer first-choice applications than places. Every family who put it first was offered a place there for 2026 entry.
Admissions history and your chances at Blackfen School for Girls
Compared with nearby schools
The nearest other state secondary schools to Blackfen School for Girls are Bexley Grammar School (0.6 miles, Outstanding, selective, Attainment 8 72.6); Hurstmere School (0.7 miles, Attainment 8 42.4); Chislehurst and Sidcup Grammar School (0.9 miles, Good, selective, Attainment 8 75.3); and Townley Grammar School (1.2 miles, Outstanding, selective, Attainment 8 74.8).
Blackfen School for Girls's 2026 results were higher than 1 of these 4 schools.
Bexley Grammar SchoolHurstmere SchoolChislehurst and Sidcup Grammar SchoolTownley Grammar School
What parents say
134 parents answered Ofsted's Parent View survey about Blackfen School for Girls (as of September 2025): 78% would recommend the school, 84% say their child is happy there and 60% of those with a view say bullying is dealt with well.
The strongest agreement was that their child feels safe (90%); the weakest, that the school deals with bullying well (among parents with a view) (60%).
Where pupils go next
Of the 223 pupils who finished Year 11 in 2023/24, 85% stayed in education or training for at least two terms, including 29% to a further education college, 5% to an apprenticeship and 2% into work.
Of the 154 students who left the sixth form in 2023/24, 43% went on to university or other higher education, 12% to apprenticeships and 34% into work. 7% went to one of the most selective third of universities.
Who goes there
14.4% of pupils are eligible for free school meals, well below the average state school (25%), according to the 2026 school census.
Blackfen School for Girls has a resourced provision for speech, language and communication needs: 28 places, 28 pupils on roll.
Getting there
The nearest railway station is Sidcup Station, about 1.1 miles away in a straight line.
10 bus stops are within a five-minute walk; the closest is Blackfen School For Girls, 90 metres away.
The area around the school
In August 2026, police recorded 181 crimes within a mile of the school, most often violence and sexual offences, anti-social behaviour and shoplifting. That is well below the typical figure around schools in Bexley (284).
Suspensions and exclusions
In 2024/25, Blackfen School for Girls issued 190 suspensions, 13.6 for every 100 pupils (the average state school: 6.3), and 1 permanent exclusion.
Primary schools nearby
The primary schools closest to Blackfen School for Girls are Sherwood Park Primary School (0.1 miles), Days Lane Primary School (0.6 miles), Danson Primary School (0.6 miles) and Chatsworth Infant School (0.7 miles). Admission does not depend on which primary a child attends unless the school's policy names feeder schools.
Sherwood Park Primary SchoolDays Lane Primary SchoolDanson Primary SchoolChatsworth Infant School
Sources: DfE school performance data (averages: state mainstream schools); DfE school-level applications and offers; council admissions booklets; DfE appeals statistics; Ofsted Parent View; DfE destination measures; DfE school census and special educational needs statistics; NaPTAN (Department for Transport); English Indices of Deprivation 2025 (MHCLG); data.police.uk street-level crime; DfE exclusions statistics
Location
Every family who put it first was offered a place for 2026 entry, so distance did not limit places that year.
Key Information
DfE GIASOfsted Rating
Ofsted · 2 years agoThis judgement is from November 2011, 14 years ago, longer than Ofsted's usual 4-year cycle: the school may have changed since.
Overall
Quality of Education
Behaviour & Attitudes
Personal Development
Leadership & Management
Sixth Form
Ofsted Insights
From Ofsted's March 2025 inspection report.
What This School Does Well
Blackfen School for Girls creates a warm, caring environment where staff know pupils well and support them effectively. The school offers an ambitious range of experiences beyond the classroom, from residential trips to leadership opportunities in the sixth form. Pupils receive excellent guidance on their future careers and next steps, with many praising the support they receive.
Key Strengths
- Well-designed curriculum that is logically sequenced, allowing pupils to build knowledge progressively
- Ambitious careers programme providing high-quality independent advice and support for next steps
- Strong pastoral care with staff knowing pupils well and providing daily support
- Growing range of enrichment activities and residential visits that broaden pupils' experiences
- Effective support for pupils requiring additional help with reading
Areas for Improvement
- Curriculum in some subjects not implemented with enough precision, leading to inconsistent depth of knowledge and lower exam achievement
- Behaviour expectations not applied consistently across the school, particularly regarding mobile phones and punctuality
- Support for pupils with SEND in mainstream classes not systematically checked, leaving some unable to access curriculum effectively
Safeguarding
Safeguarding arrangements are effective and the school has created a positive culture around safeguarding that puts pupils' interests first.
Extracurricular Activities
Public speaking, art, volleyball, ski trip to south of France, Disneyland Paris performances, mentorship programmes, Discover Days cultural visits to venues like the Barbican
Blackfen School for Girls is a welcoming secondary school that fosters a friendly environment with high expectations for pupils. The school maintains Good ratings across all key areas including quality of education, behaviour, personal development, and leadership.
About
Blackfen School for Girls is a girls' secondary school and sixth form with academy status, located in Blackfen in the London Borough of Bexley, England. Although it is a girls school, the sixth form over the past few years has become mixed.
From Wikipedia, licensed under CC BY-SA 4.0
At a Glance
14.4%
Free School Meals
No
Boarding
No
Nursery
Yes
Sixth Form
Resourced provision: Speech and language
SEN Provision
No
Special Measures
What Parents Think
134 responsesSource: Ofsted Parent View, responses as at September 2025 - % who strongly agree or agree
Secondary Performance (GCSE)
Academic year 2025/26GCSE Results
2025/26 academic year
Progress 8 has remained stable at around -0.14 (2023 to 2024). Attainment 8 has declined from 46.4 to 46.2 (2023 to 2026). GCSE English & Maths 5+ has remained stable at around 44% (2023 to 2026).
Performance by Group
| Group | Progress 8 | Attainment 8 | Eng+Maths 5+ |
|---|---|---|---|
| All pupils | - | 46.2 | 43.9% |
| Disadvantaged(45) | - | 37.9 | 31.1% |
| Not known to be disadvantaged(176) | - | 48.4 | 47.2% |
| Girls(221) | - | 46.2 | 43.9% |
Show more breakdowns (2)
| Known or believed to be other than English(41) | - | 55.7 | 61% |
| Non mobile(213) | - | 46.6 | 44.6% |
2025/26 academic year - DfE performance tables data
GCSE Subjects Offered
+ 5 more subjects
2025/26 academic year - entries by number of pupils
After GCSEs - Leaver Destinations
After GCSEs (Year 11) - 223 students
2023/24 data
Exclusions & Suspensions
1
Permanent exclusions
0.07%
Exclusion rate
190
Suspensions
13.55%
Suspension rate
67 pupils received one or more suspensions out of 1,402 pupils
2024/25 academic year
How Does This School Compare?
Ranked against 5 nearby secondary schools
Latest from Blackfen School for Girls
Blackfen School for Girls receive Artsmark Gold award.
17 Sep 2026
Open Events 2026
17 Sep 2026
Register for Elevate’s Parent Webinar Series This Term
10 Sep 2026
Year 6 Induction
8 Jul 2026
HAF Programme
9 Mar 2026
Careers Newsletter
17 Dec 2025
From Blackfen School for Girls's website. School Signal is not affiliated with the school.
Social & online
Keep up with Blackfen School for Girls
Getting There
Bus Stops
Free school transport
Check free transport to Blackfen School for Girls from your postcode →
You apply to the council where you live. Blackfen School for Girls is in Bexley; for families living there:
Apply to Bexley for free school transport. Its policy is on the council's website.
Safety and surroundings
Road collisions within 500 m (2021 to 2025)
- Collisions
- 39
- Fatal
- 2
- Serious
- 5
- Children hurt
- 5
Within 500 m of the school's mapped location, police recorded 39 road collisions in which someone was injured in 2021 to 2025: 2 fatal, 5 serious and 32 slight.
5 children aged 0 to 15 were hurt: 2 on foot and 3 in a vehicle or otherwise.
7 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included.
The typical figure for schools in Bexley is 28.5 (the median across 92 schools, same distance and years).
Serious and slight counts use the Department for Transport's severity adjustment, which allows for changes in how police forces record injuries; they are estimates, rounded to whole numbers. Distances are in a straight line. Source: Department for Transport, Road Safety Data (STATS19), Open Government Licence v3.0.
Commute and house prices
Your chances of a place at Blackfen School for Girls
Will you get a place at Blackfen School for Girls? Get the admissions report
Your home postcode, set against Blackfen School for Girls's admissions figures, in one report saved to your account.
What the report includes for Blackfen School for Girls:
- The straight-line distance from your home to Blackfen School for Girls.
- Bexley publishes last distance offered figures, but none for Blackfen School for Girls that we hold, so the report covers demand, alternatives and dates.
- Applications, first choices and offers at Blackfen School for Girls for 2014 to 2026 entry.
- How many families in Bexley got their first choice, and how often appeals there succeed.
- The nearest state schools to your home, with Ofsted rating, demand and last distance offered where published.
- Key dates for September 2027 entry and how to apply.
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Capacity & Demand
School Occupancy
94%
Near capacity
1,404 pupils
1,490 places
86 spare places in 2025
2025, DfE school capacity data
Area Demand Pressure - Sidcup
Based on MHCLG Live Table 122 (2024-25, last 5 years) for Sidcup
Across Bexley council
Places available
3,269
Applications
2,992
Got 1st preference
68.1%
Got preferred school
95.3%
All secondary applications across Bexley council (2026/27), not just this school.
This school: Every first choice offered
Inspection History(4)
SEND & SEN Provision
SEN Overview
162
SEN Support
53
EHC Plans
16.2%
of Total Pupils
2026 academic year
Provision & Specialist Facilities
Blackfen School for Girls has a resourced provision for speech, language and communication needs: 28 places, 28 pupils on roll.
Source: GIAS, Department for Education.
Pupils by Need Type
Pupil Demographics
Ethnicity
2026 academic year
Key Indicators
1,324
Total Pupils
84
Boys
1,240
Girls
2026 academic year
Workforce
83
Teachers
16.0:1
Pupil-teacher ratio
£55,271
Mean salary
2026 data
School Funding
£7,235
Per pupil
£8331k
Total funding
£214k
Pupil premium
2025-26 financial year allocations
Pupil Absence2024/25
9.8%
Overall absence
27.6%
Persistent absence
1,145
Enrolments
Absence trend
Source: DfE pupil absence statistics. Persistent absence = pupils missing 10%+ sessions.
Feeder Primary Schools
Primary schools that likely feed into this school, based on proximity
Blackfen School for Girls
Showing 10 of 14 linked schools
Questions parents ask about Blackfen School for Girls
What are GCSE results like at Blackfen School for Girls?
In the 2026 results, pupils at Blackfen School for Girls achieved an Attainment 8 score of 46.2. 44% passed GCSE English and maths at grade 5 or above.
What is Blackfen School for Girls's Ofsted rating?
Blackfen School for Girls's most recent Ofsted inspection, in March 2025, was ungraded, so it gave no overall grade. At its last graded inspection, in November 2011, it was rated Good.
What is the catchment area for Blackfen School for Girls?
No fixed boundary. When Blackfen School for Girls is oversubscribed, Bexley allocates places by its published criteria, usually ending with home-to-school distance.
Is it hard to get a place at Blackfen School for Girls?
Blackfen School for Girls was not full in 2025: it ran at 94% of its 1490 places.
How big are the classes at Blackfen School for Girls?
Classes at Blackfen School for Girls average 23 pupils (2025/26).
How many pupils go to Blackfen School for Girls?
Blackfen School for Girls has around 1324 pupils on roll. 14% are eligible for free school meals.
Does Blackfen School for Girls have specialist SEN provision?
Blackfen School for Girls has a resourced provision for speech, language and communication needs: 28 places, 28 pupils on roll.
What is attendance like at Blackfen School for Girls?
9.8% of sessions were missed at Blackfen School for Girls in 2024/25. 27.6% of pupils were persistently absent (missing 10% or more of sessions).
How do I apply to Blackfen School for Girls?
Apply through Bexley's coordinated admissions process, naming Blackfen School for Girls on your application. Applications for Year 7 places starting in September 2027 close on Saturday 31 October 2026, and offers are made on Monday 1 March 2027.
How many road collisions happen near Blackfen School for Girls?
Within 500 m of the school's mapped location, police recorded 39 road collisions in which someone was injured in 2021 to 2025: 2 fatal, 5 serious and 32 slight. 5 children aged 0 to 15 were hurt: 2 on foot and 3 in a vehicle or otherwise. 7 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included. The typical figure for schools in Bexley is 28.5 (the median across 92 schools, same distance and years).
Where is Blackfen School for Girls?
Blackfen School for Girls is at Blackfen Road, Sidcup, Kent, DA15 9NU.
Source: Department for Transport, Road Safety Data (STATS19)