Birkbeck Primary School vs Chislehurst and Sidcup Grammar School
A head-to-head comparison of two schools in London, England, 450 m apart, using official English 2025 data. The better value in each row is highlighted.
Birkbeck Primary School
Sidcup · Local authority primary · Ages 3–11
664 students
Chislehurst and Sidcup Grammar School
Sidcup · Academy secondary · Ages 11–18
1,561 students
| Measure | Birkbeck Primary School Sidcup, London | Chislehurst and Sidcup Grammar School Sidcup, London |
|---|---|---|
| Success Index (England) | 82 Top 25% | 97 Top 5% |
| Region rank | #309 of 1,720 | #16 of 640 |
| National rank | #1869 of 15,697 | #52 of 4,090 |
| Sector | Local authority | Academy |
| Type | Primary | Secondary |
| Year range | Ages 3–11 | Ages 11–18 |
| Students | 664 | 1,561 |
| Pupils on roll | 664 | 1,561 |
| Free school meals | 11.7% | 2% |
| Capacity filled | 97.4% | 116.1% |
| KS2 expected standard (RWM) | 85% | – |
| KS2 higher standard (RWM) | 10% | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | 75.6 |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | 98.9% |
| Grade 4+ English & maths | – | 99.5% |
| EBacc average points | – | 7.47 |
| A level points per entry | – | 41.2 |
| town | Sidcup | Sidcup |
| region | London | London |
| Website | www.birkbeck.bexley.sch.uk | www.csgrammar.com/ |
The verdict
- •Chislehurst and Sidcup Grammar School scores higher on the Success Index (England) (97.1 vs 81.9).
- •Chislehurst and Sidcup Grammar School is the larger school with 1,561 students compared with 664.
- •Birkbeck Primary School is a local authority school while Chislehurst and Sidcup Grammar School is a academy school, so fees and admission rules differ.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Birkbeck Primary School better than Chislehurst and Sidcup Grammar School?
On the Success Index (England), Chislehurst and Sidcup Grammar School ranks higher (97.1 vs 81.9 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Birkbeck Primary School and Chislehurst and Sidcup Grammar School?
About 450 m in a straight line, between Sidcup and Sidcup in London.
Which has the better Pupils on roll?
Birkbeck Primary School: 664. Chislehurst and Sidcup Grammar School: 1,561. Number of pupils in the latest school census.
How do Birkbeck Primary School and Chislehurst and Sidcup Grammar School rank in London?
Birkbeck Primary School is 309th of 1,720 and Chislehurst and Sidcup Grammar School is 16th of 640 among primary schools in London on the 2025 Success Index (England).