Blackfen School for Girls
Blackfen School for Girls is a girls' secondary academy in Sidcup, London Borough of Bexley, teaching 1,324 pupils aged 11 to 18. Ofsted graded quality of education as Good at its most recent inspection in March 2025. In 2024–2025, GCSE Attainment 8 was 44.1 (England 46.1). The 2025–2026 school year runs from 1 September 2025 to 17 July 2026.
Ofsted inspection
The latest published Ofsted judgement for Blackfen School for Girls.
From September 2024 Ofsted no longer gives schools a single overall grade. These are the graded judgement areas from the latest inspection.
Scale: Outstanding Good Requires improvement Inadequate
Term dates & holidays 2025–2026
Autumn, spring and summer terms, half-terms, INSET days and bank holidays for Blackfen School for Girls.
- 26 Spring Bank Holiday
- 1 Autumn Term 1 begins
- 3 Students return to school
- 17 Autumn Term 1 ends
- 20–31 Autumn Half Term
- 3 Autumn Term 2 begins
- 19 Autumn Term 2 ends
- 22–31 Christmas and New Year Holiday
- 25 Christmas Day
- 26 Boxing Day
- 1–2 Christmas and New Year Holiday
- 1 New Year's Day
- 5 Spring Term 3 begins (INSET day)
- 6 Students return to school
- 13 Spring Term 3 ends
- 16–20 Spring Half Term
- 23 Spring Term 4 begins
- 27 Spring Term 4 ends
- 30–31 Easter Holiday
- 1–10 Easter Holiday
- 3 Good Friday
- 6 Easter Monday
- 13 Summer Term 5 begins
- 4 Early May Bank Holiday
- 22 Summer Term 5 ends
- 25–29 Summer Half Term
- 1 Summer Term 6 begins
- 17 Summer Term 6 ends (Last day for students)
- 17–31 Summer Holiday
- 20–21 INSET days
- 1–31 Summer Holiday
- 31 Summer Bank Holiday
- 1–2 Summer Holiday
Key dates (2025–2026)
- Autumn Term 1 begins Sep 1, 2025 Term
- Students return to school Sep 3, 2025 Event
- Autumn Term 1 ends Oct 17, 2025 Term
- Autumn Half Term Oct 20-31, 2025 Holiday
- Autumn Term 2 begins Nov 3, 2025 Term
- Autumn Term 2 ends Dec 19, 2025 Term
- Christmas and New Year Holiday Dec 22, 2025-Jan 2, 2026 Holiday
- Spring Term 3 begins (INSET day) Jan 5, 2026 Inset Day
- Students return to school Jan 6, 2026 Event
- Spring Term 3 ends Feb 13, 2026 Term
- Spring Half Term Feb 16-20, 2026 Holiday
- Spring Term 4 begins Feb 23, 2026 Term
- Spring Term 4 ends Mar 27, 2026 Term
- Easter Holiday Mar 30-Apr 10, 2026 Holiday
- Summer Term 5 begins Apr 13, 2026 Term
- Summer Term 5 ends May 22, 2026 Term
- Summer Half Term May 25-29, 2026 Holiday
- Summer Term 6 begins Jun 1, 2026 Term
- Summer Term 6 ends (Last day for students) Jul 17, 2026 Term
- INSET days Jul 20-21, 2026 Inset Day
- Summer Holiday Jul 17-Sep 2, 2026 Holiday
- New Year's Day Jan 1, 2026 Event
- Good Friday Apr 3, 2026 Event
- Easter Monday Apr 6, 2026 Holiday
- Early May Bank Holiday May 4, 2026 Holiday
- Spring Bank Holiday May 26, 2025 Holiday
- Summer Bank Holiday Aug 31, 2026 Holiday
- Christmas Day Dec 25, 2025 Holiday
- Boxing Day Dec 26, 2025 Event
Exam results & performance
The measures that carry the most signal. Open a section to compare Blackfen School for Girls with London Borough of Bexley and England.
Key stage 4 (GCSE) 44.1 Attainment 8 score
Year 11 results across eight qualifications, including English and maths.
This school London Borough of Bexley England
16 to 18 (A level & sixth form) 34 A level average point score
Results for students finishing post-16 study.
This school London Borough of Bexley England
Attendance 27.6% Persistently absent pupils
Absence across the whole school year.
This school London Borough of Bexley England
What pupils do after GCSEs 95% In education, apprenticeship or work
Still in education, an apprenticeship or work a year after key stage 4.
This school London Borough of Bexley England
What students do after 16 to 18 study 82% In education, apprenticeship or work
Destinations the year after finishing post-16 study.
This school London Borough of Bexley England
About this data source & caveats
Progress 8 is not published for 2024–2025. This year group missed their key stage 2 tests in 2020, so there is no baseline to measure progress from.
Attendance comparisons are pupil-weighted averages we calculate from every school’s published absence figure — the DfE absence file has no local authority or England rows of its own.
We show the headline measures only. Threshold and curriculum-policy figures — grade 4+ in English and maths, EBacc entry and points, the per-subject key stage 2 breakdown, academic and applied splits at 16 to 18 — reflect admissions and curriculum choices more than school quality, so they are left to GOV.UK. Progress measures matter most because they compare pupils with others who started at the same level; attainment on its own largely tracks a school’s intake.
Figures are the Department for Education’s official published results for Blackfen School for Girls. Results are suppressed where too few pupils were entered. England figures are the average for state-funded schools. “Top x%” is this school’s position among all schools in England with a published figure for that measure — the DfE does not publish league table rankings.
Source: Compare school and college performance, Department for Education. Contains public sector information licensed under the Open Government Licence v3.0.
Location & catchment area
Indicative only. This is a nearest-school (Voronoi) estimate — the area closer to Blackfen School for Girls than to any other secondary school. Real admissions depend on the school’s own policy (straight-line distance, siblings, faith, feeder schools and available places) and change each year. Always confirm with the school and local authority admissions team.