Benedict House Preparatory School vs Chislehurst and Sidcup Grammar School
A head-to-head comparison of two schools in London, England, 957 m apart, using official English 2025 data. The better value in each row is highlighted.
Benedict House Preparatory School
Sidcup · Independent primary · Ages 2–11
170 students
Chislehurst and Sidcup Grammar School
Sidcup · Academy secondary · Ages 11–18
1,561 students
| Measure | Benedict House Preparatory School Sidcup, London | Chislehurst and Sidcup Grammar School Sidcup, London |
|---|---|---|
| Success Index (England) | – Not rated | 97 Top 5% |
| Region rank | – | #16 of 640 |
| National rank | – | #52 of 4,090 |
| Sector | Independent | Academy |
| Type | Primary | Secondary |
| Year range | Ages 2–11 | Ages 11–18 |
| Students | 170 | 1,561 |
| Pupils on roll | 170 | 1,561 |
| Free school meals | – | 2% |
| Capacity filled | 37.8% | 116.1% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| 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.benedicthouseprepschool.co.uk/ | www.csgrammar.com/ |
The verdict
- •Chislehurst and Sidcup Grammar School is the larger school with 1,561 students compared with 170.
- •Benedict House Preparatory School is a independent 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 Benedict House Preparatory School better than Chislehurst and Sidcup Grammar School?
The two schools are very close on the Success Index (England). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Benedict House Preparatory School and Chislehurst and Sidcup Grammar School?
About 957 m in a straight line, between Sidcup and Sidcup in London.
Which has the better Pupils on roll?
Benedict House Preparatory School: 170. Chislehurst and Sidcup Grammar School: 1,561. Number of pupils in the latest school census.
How do Benedict House Preparatory School and Chislehurst and Sidcup Grammar School rank in London?
Benedict House Preparatory School is unranked and Chislehurst and Sidcup Grammar School is 16th of 640 among primary schools in London on the 2025 Success Index (England).