61%
GCSE 9–4 · 2024/25
39%
GCSE 5+ · 2024/25
44.1
Attainment 8 · 2024/25
22%
EBacc entry · 2024/25
827.4
EBacc APS · 2024/25
1,402
Pupils · 2024/25
17%
EAL · 2024/25
28%
Persistent abs. · 2024/25
Ofsted inspection
Good
Ofsted inspection · 18/12/2019
Inadequate
Requires improvement
Good
Outstanding
Local authorityBexley
PhaseSecondary with sixth form with sixth form
School typeAcademy
Pupil : teacher ratio17.1:1
AdmissionsNon-selective
Religious characterDoes not apply
StatusOpen
Overview of Blackfen School for Girls · Secondary with sixth form · Bexley
Part ofBLACKFEN SCHOOL FOR GIRLS
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
61%
-7pp
72%67%61%
'19'22'23'24'25
'25 · 61%
GCSE 5+ incl. Eng & maths
39%
-8pp
46%41%36%
'19'22'23'24'25
'25 · 39%
Attainment 8
44.1
-2.8
47.846.044.1
'19'22'23'24'25
'25 · 44.1
EBacc entry
22%
+0pp
40%29%18%
'19'22'23'24'25
'25 · 22%
EBacc APS
827.4
-40.9
868.2822.2776.3
'19'22'23'24'25
'25 · 827.4
Sixth form
Key Stage 5 · 2024/25 · trend since 2016/17
A-level APS
34.0
+2.4
37.933.128.3
'19'22'23'24'25
'25 · 34.0
A-level value added
+0.19
0
+0.20.0-0.2
'17'18'19'24'25
'25 · +0.2
AAB+ in facilitating subjects
3%
-0pp
11%5%0%
'19'22'23'24'25
'25 · 3%
Average A-level grade
C+
0
B-C+C-
'19'22'23'24'25
'25 · C+
Pupils & context
2024/25
Pupils on roll
1,402
Pupil : teacher ratio
17.1
Workforce data · 2025/26
EAL
17%
FSM eligible
19%
SEN
10%
Overall absence
10%
Persistent absence
28%
Contact
Address
Blackfen Road, Sidcup, DA15 9NU
Local authority
Bexley
Telephone
Email
—
History
All years · Historical DfE data by academic year
Secondary — Key Stage 4
GCSE attainment and Progress 8 — how pupils progressed from KS2 to KS4.
| Year | GCSE 9–4 | GCSE 5+ | Attainment 8 | Progress 8 | EBacc entry | EBacc APS | EBacc lang entry | Cohort |
|---|---|---|---|---|---|---|---|---|
| 2024/25 | 61% | 39% | 44.1 | Not applicable | 22% | 827.4 | 32% | 1,402 |
| 2023/24 | 68% | 46% | 46.9 | -0.14 | 22% | 868.2 | 25% | 1,483 |
| 2022/23 | 72% | 42% | 46.4 | -0.11 | 18% | 861.9 | 23% | 1,464 |
| 2021/22 | 69% | 41% | 47.8 | -0.23 | 18% | 848.0 | 26% | 1,500 |
| 2018/19 | 65% | 36% | 46.2 | +0.03 | 40% | 776.3 | 50% | 1,398 |
| 2017/18 | 65% | 42% | 47.6 | +0.02 | 35% | 789.4 | 50% | 1,365 |
| 2016/17 | 72% | 38% | 45.8 | -0.07 | 31% | — | 40% | 1,336 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2024/25 | 34.0 | C+ | +0.19 | 3% | 199 |
| 2023/24 | 31.6 | C | +0.18 | 3% | 167 |
| 2022/23 | 30.9 | C | — | 4% | 193 |
| 2021/22 | 37.9 | B- | — | 10% | 209 |
| 2018/19 | 28.3 | C- | -0.16 | 0% | 194 |
| 2017/18 | 29.5 | C | +0.02 | 3% | 140 |
| 2016/17 | 27.5 | C- | -0.06 | 3% | 230 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 1,402 | 18.2 | 10% | 17% | 19% | 10% | 28% |
| 2023/24 | 1,483 | 19.3 | 7% | 16% | 17% | 10% | 31% |
| 2022/23 | 1,464 | 20.2 | 9% | 16% | 17% | 10% | 33% |
| 2021/22 | 1,500 | 19.7 | 14% | 15% | 17% | 10% | 32% |
| 2020/21 | 1,461 | 19.2 | 13% | 14% | 13% | — | — |
| 2018/19 | 1,398 | 18.9 | 12% | 13% | 17% | 5% | 10% |
| 2017/18 | 1,365 | 17.5 | 12% | 13% | 18% | 5% | 9% |
| 2016/17 | 1,336 | 17.6 | 10% | 13% | 19% | 5% | 11% |
School performance data © Crown copyright. Source: Department for Education.