Colchester County High School for Girls vs St Mary's School for Girls
A head-to-head comparison of two schools in East of England, England, 416 m apart, using official English 2025 data. The better value in each row is highlighted.
Colchester County High School for Girls
Colchester · Academy secondary · Ages 11–18
1,198 students
St Mary's School for Girls
Colchester · Independent all-through · Ages 2–17
424 students
| Measure | Colchester County High School for Girls Colchester, East of England | St Mary's School for Girls Colchester, East of England |
|---|---|---|
| Success Index (England) | 99 Top 5% | 96 Top 5% |
| Region rank | #5 of 460 | #14 of 460 |
| National rank | #17 of 4,090 | #101 of 4,090 |
| Sector | Academy | Independent |
| Type | Secondary | All-through |
| Year range | Ages 11–18 | Ages 2–17 |
| Students | 1,198 | 424 |
| Pupils on roll | 1,198 | 424 |
| Free school meals | 2.5% | – |
| Capacity filled | 117.5% | 70.7% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 80.6 | 66.5 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 100% | 82.4% |
| Grade 4+ English & maths | 100% | 100% |
| EBacc average points | 7.82 | 6.26 |
| A level points per entry | 45.3 | – |
| town | Colchester | Colchester |
| region | East of England | East of England |
| Website | www.cchsg.com/ | www.stmaryscolchester.org.uk |
The verdict
- •Colchester County High School for Girls scores higher on the Success Index (England) (98.8 vs 95.5).
- •Colchester County High School for Girls is the larger school with 1,198 students compared with 424.
- •Colchester County High School for Girls is a academy school while St Mary's School for Girls is a independent 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 Colchester County High School for Girls better than St Mary's School for Girls?
On the Success Index (England), Colchester County High School for Girls ranks higher (98.8 vs 95.5 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 Colchester County High School for Girls and St Mary's School for Girls?
About 416 m in a straight line, between Colchester and Colchester in East of England.
Which has the better Pupils on roll?
Colchester County High School for Girls: 1,198. St Mary's School for Girls: 424. Number of pupils in the latest school census.
How do Colchester County High School for Girls and St Mary's School for Girls rank in East of England?
Colchester County High School for Girls is 5th of 460 and St Mary's School for Girls is 14th of 460 among secondary schools in East of England on the 2025 Success Index (England).