Dr Challoner's Grammar School vs St Mary's CofE Primary School, Amersham
A head-to-head comparison of two schools in South East, England, 1.0 km apart, using official English 2025 data. The better value in each row is highlighted.
Dr Challoner's Grammar School
Amersham · Academy secondary · Ages 11–18
1,384 students
St Mary's CofE Primary School, Amersham
Amersham · Local authority primary · Ages 4–11
303 students
| Measure | Dr Challoner's Grammar School Amersham, South East | St Mary's CofE Primary School, Amersham Amersham, South East |
|---|---|---|
| Success Index (England) | 98 Top 5% | 77 Top 25% |
| Region rank | #7 of 679 | #485 of 2,471 |
| National rank | #28 of 4,090 | #2587 of 15,697 |
| Sector | Academy | Local authority |
| Type | Secondary | Primary |
| Year range | Ages 11–18 | Ages 4–11 |
| Students | 1,384 | 303 |
| Pupils on roll | 1,384 | 303 |
| Free school meals | 2.5% | 9.2% |
| Capacity filled | 102.1% | 89.4% |
| KS2 expected standard (RWM) | – | 71% |
| KS2 higher standard (RWM) | – | 18% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 73.9 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 96.2% | – |
| Grade 4+ English & maths | 97.8% | – |
| EBacc average points | 7.12 | – |
| A level points per entry | 47.4 | – |
| town | Amersham | Amersham |
| region | South East | South East |
| Website | www.challoners.com | www.stmarysce.bucks.sch.uk |
The verdict
- •Dr Challoner's Grammar School scores higher on the Success Index (England) (98.1 vs 77.4).
- •Dr Challoner's Grammar School is the larger school with 1,384 students compared with 303.
- •Dr Challoner's Grammar School is a academy school while St Mary's CofE Primary School, Amersham is a local authority school, so fees and admission rules differ.
- •Dr Challoner's Grammar School is boys and St Mary's CofE Primary School, Amersham is co-educational.
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 Dr Challoner's Grammar School better than St Mary's CofE Primary School, Amersham?
On the Success Index (England), Dr Challoner's Grammar School ranks higher (98.1 vs 77.4 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 Dr Challoner's Grammar School and St Mary's CofE Primary School, Amersham?
About 1.0 km in a straight line, between Amersham and Amersham in South East.
Which has the better Pupils on roll?
Dr Challoner's Grammar School: 1,384. St Mary's CofE Primary School, Amersham: 303. Number of pupils in the latest school census.
How do Dr Challoner's Grammar School and St Mary's CofE Primary School, Amersham rank in South East?
Dr Challoner's Grammar School is 7th of 679 and St Mary's CofE Primary School, Amersham is 485th of 2,471 among secondary schools in South East on the 2025 Success Index (England).