Chalfont St Peter CofE Academy vs St Mary's School
A head-to-head comparison of two schools in South East, England, 1.7 km apart, using official English 2025 data. The better value in each row is highlighted.
Chalfont St Peter CofE Academy
Gerrards Cross · Academy primary · Ages 7–11
317 students
St Mary's School
Gerrards Cross · Independent all-through · Ages 3–18
391 students
| Measure | Chalfont St Peter CofE Academy Gerrards Cross, South East | St Mary's School Gerrards Cross, South East |
|---|---|---|
| Success Index (England) | 83 Top 25% | 28 Lower 50% |
| Region rank | #327 of 2,471 | #486 of 679 |
| National rank | #1640 of 15,697 | #3075 of 4,090 |
| Sector | Academy | Independent |
| Type | Primary | All-through |
| Year range | Ages 7–11 | Ages 3–18 |
| Students | 317 | 391 |
| Pupils on roll | 317 | 391 |
| Free school meals | 14.8% | – |
| Capacity filled | 88.1% | 82.3% |
| KS2 expected standard (RWM) | 78% | – |
| KS2 higher standard (RWM) | 24% | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | 37.6 |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | 1.8% |
| Grade 4+ English & maths | – | 1.8% |
| EBacc average points | – | 3.03 |
| A level points per entry | – | 38.2 |
| town | Gerrards Cross | Gerrards Cross |
| region | South East | South East |
| Website | www.cspacademy.org.uk | www.stmarysgx.co.uk |
The verdict
- •Chalfont St Peter CofE Academy scores higher on the Success Index (England) (83.4 vs 27.8).
- •St Mary's School is the larger school with 391 students compared with 317.
- •Chalfont St Peter CofE Academy is a academy school while St Mary's School is a independent school, so fees and admission rules differ.
- •Chalfont St Peter CofE Academy is co-educational and St Mary's School is girls.
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 Chalfont St Peter CofE Academy better than St Mary's School?
On the Success Index (England), Chalfont St Peter CofE Academy ranks higher (83.4 vs 27.8 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 Chalfont St Peter CofE Academy and St Mary's School?
About 1.7 km in a straight line, between Gerrards Cross and Gerrards Cross in South East.
Which has the better Pupils on roll?
Chalfont St Peter CofE Academy: 317. St Mary's School: 391. Number of pupils in the latest school census.
How do Chalfont St Peter CofE Academy and St Mary's School rank in South East?
Chalfont St Peter CofE Academy is 327th of 2,471 and St Mary's School is 486th of 679 among primary schools in South East on the 2025 Success Index (England).