Side by side
Blackfen School for Girls and Chislehurst and Sidcup Grammar School
The published facts for both schools, each with its source. Where a school or the government has not published something, the cell says so. We do not name a winner.
What differs
- Blackfen School for Girls is a girls' school; Chislehurst and Sidcup Grammar School takes boys and girls.
- The two schools are 0.9 miles apart in a straight line.
Facts side by side
| Fact | Blackfen School for Girls | Chislehurst and Sidcup Grammar School |
|---|---|---|
| The basics | ||
| Type | State-funded: Academy converter DfE register | State-funded: Academy converter DfE register |
| Ages | 11 to 18 DfE register | 11 to 18 DfE register |
| Gender | Girls DfE register | Mixed DfE register |
| Pupils | 1,324 DfE register | 1,561 DfE register |
| Borough | Bexley DfE register | Bexley DfE register |
| Boarding | No DfE register | No DfE register |
| Admissions policy | Non-selective DfE register | Selective DfE register |
| Admissions for 2027 | ||
| Next deadline to apply or register | 31 October 2026 (closes in 21 days) school or council page | 31 October 2026 (closes in 21 days) school or council page |
| Applications and places, last round | 120 first preferences for 223 places DfE, September 2026 entry | 341 first preferences for 211 places DfE, September 2026 entry |
| Cost | ||
| Published day fees | No tuition fees (state-funded) | No tuition fees (state-funded) |
| Inspection | ||
| Latest inspection | Ofsted graded inspection, 11 March 2025 Ofsted | Ofsted ungraded inspection, 14 December 2022: School remains Good Ofsted |
| Results | ||
| GCSE: Attainment 8 | 44.1 (2024/25) DfE | 75.6 (2024/25) DfE |
| GCSE: grade 5+ in English and maths | 39% (2024/25) DfE | 99% (2024/25) DfE |
| A level: average grade | C+ (2024/25) DfE | B (2024/25) DfE |
| A level: points per entry | 34 (2024/25) DfE | 41.2 (2024/25) DfE |
| Where leavers went | ||
| Stayed in education or work after GCSEs | 95% (left 2022/23) DfE | 98% (left 2022/23) DfE |
| Stayed in education or work after 16 to 18 | 82% (left 2022/23) DfE | 91% (left 2022/23) DfE |
| Pupils | ||
| Eligible for free school meals | 16.4% DfE register | 2% DfE register |
| English as an additional language | 16.6% school census 2024/25 | 10.9% school census 2024/25 |
| Receiving SEN support | 6.3% school census 2024/25 | 0.5% school census 2024/25 |
| Pupils per teacher | 16.9 DfE workforce census | 18.6 DfE workforce census |
| Overall absence | 9.8% DfE, 2024/25 | 3.8% DfE, 2024/25 |
DfE register: Get Information About Schools, daily extract as at 2026-10-07. Other sources are named in each cell; every figure links to its source on the school's own page.
Shaded cells differ between the two schools. A blank is not a weakness: it means the figure has not been published, or does not apply to that type of school. Fees and results are not comparable between state and independent schools.
Other comparisons
- Blackfen School for Girls and Bexley Grammar School0.6 miles apart
- Blackfen School for Girls and Townley Grammar School1.2 miles apart
- Blackfen School for Girls and Harris Academy Falconwood1.2 miles apart
- Chislehurst and Sidcup Grammar School and Cleeve Park School0.7 miles apart
- Chislehurst and Sidcup Grammar School and Bexley Grammar School1.4 miles apart
- Chislehurst and Sidcup Grammar School and Kemnal Technology College1.7 miles apart
- Chislehurst and Sidcup Grammar School and Harris Academy Falconwood1.7 miles apart