Charters School vs St Mary's School Ascot
A head-to-head comparison of two secondary schools in South East, England, 1.3 km apart, using official English 2025 data. The better value in each row is highlighted.
Charters School
Ascot · Academy secondary · Ages 11–18
1,707 students
St Mary's School Ascot
Ascot · Independent secondary · Ages 11–18
401 students
| Measure | Charters School Ascot, South East | St Mary's School Ascot Ascot, South East |
|---|---|---|
| Success Index (England) | 77 Top 25% | 26 Lower 50% |
| Region rank | #174 of 679 | #503 of 679 |
| National rank | #713 of 4,090 | #3159 of 4,090 |
| Sector | Academy | Independent |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–18 |
| Students | 1,707 | 401 |
| Pupils on roll | 1,707 | 401 |
| Free school meals | 11% | – |
| Capacity filled | 98.1% | 99% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 51.0 | 33.9 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 57.1% | 0% |
| Grade 4+ English & maths | 76.5% | 0% |
| EBacc average points | 4.62 | 1.69 |
| A level points per entry | 35.5 | 47.2 |
| town | Ascot | Ascot |
| region | South East | South East |
| Website | www.chartersschool.org.uk | www.st-marys-ascot.co.uk |
The verdict
- •Charters School scores higher on the Success Index (England) (77.2 vs 25.9).
- •Charters School is the larger school with 1,707 students compared with 401.
- •Charters School is a academy school while St Mary's School Ascot is a independent school, so fees and admission rules differ.
- •Charters School is co-educational and St Mary's School Ascot is girls.
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 Charters School better than St Mary's School Ascot?
On the Success Index (England), Charters School ranks higher (77.2 vs 25.9 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 Charters School and St Mary's School Ascot?
About 1.3 km in a straight line, between Ascot and Ascot in South East.
Which has the better Pupils on roll?
Charters School: 1,707. St Mary's School Ascot: 401. Number of pupils in the latest school census.
How do Charters School and St Mary's School Ascot rank in South East?
Charters School is 174th of 679 and St Mary's School Ascot is 503rd of 679 among secondary schools in South East on the 2025 Success Index (England).