Chislehurst and Sidcup Grammar School vs Hurstmere School
A head-to-head comparison of two secondary schools in London, England, 547 m apart, using official English 2025 data. The better value in each row is highlighted.
Chislehurst and Sidcup Grammar School
Sidcup · Academy secondary · Ages 11–18
1,561 students
Hurstmere School
Sidcup · Academy secondary · Ages 11–16
893 students
| Measure | Chislehurst and Sidcup Grammar School Sidcup, London | Hurstmere School Sidcup, London |
|---|---|---|
| Success Index (England) | 97 Top 5% | 51 Top 50% |
| Region rank | #16 of 640 | #371 of 640 |
| National rank | #52 of 4,090 | #1925 of 4,090 |
| Sector | Academy | Academy |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–16 |
| Students | 1,561 | 893 |
| Pupils on roll | 1,561 | 893 |
| Free school meals | 2% | 15.8% |
| Capacity filled | 116.1% | 83.8% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 75.6 | 42.1 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 98.9% | 41.5% |
| Grade 4+ English & maths | 99.5% | 63.6% |
| EBacc average points | 7.47 | 3.60 |
| A level points per entry | 41.2 | – |
| town | Sidcup | Sidcup |
| region | London | London |
| Website | www.csgrammar.com/ | www.hurstmere-that.org.uk/ |
The verdict
- •Chislehurst and Sidcup Grammar School scores higher on the Success Index (England) (97.1 vs 51.0).
- •Chislehurst and Sidcup Grammar School is the larger school with 1,561 students compared with 893.
- •Chislehurst and Sidcup Grammar School is co-educational and Hurstmere School is boys.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Chislehurst and Sidcup Grammar School better than Hurstmere School?
On the Success Index (England), Chislehurst and Sidcup Grammar School ranks higher (97.1 vs 51.0 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 Chislehurst and Sidcup Grammar School and Hurstmere School?
About 547 m in a straight line, between Sidcup and Sidcup in London.
Which has the better Pupils on roll?
Chislehurst and Sidcup Grammar School: 1,561. Hurstmere School: 893. Number of pupils in the latest school census.
How do Chislehurst and Sidcup Grammar School and Hurstmere School rank in London?
Chislehurst and Sidcup Grammar School is 16th of 640 and Hurstmere School is 371st of 640 among secondary schools in London on the 2025 Success Index (England).