Castle Hill Primary School vs St Mary's CofE (Aided) Primary School
A head-to-head comparison of two primary schools in London, England, 679 m apart, using official English 2025 data. The better value in each row is highlighted.
Castle Hill Primary School
Chessington · Academy primary · Ages 3–11
514 students
St Mary's CofE (Aided) Primary School
Chessington · Local authority primary · Ages 3–11
170 students
| Measure | Castle Hill Primary School Chessington, London | St Mary's CofE (Aided) Primary School Chessington, London |
|---|---|---|
| Success Index (England) | 43 Lower 50% | 20 Lower 50% |
| Region rank | #1333 of 1,720 | #1656 of 1,720 |
| National rank | #9581 of 15,697 | #13990 of 15,697 |
| Sector | Academy | Local authority |
| Type | Primary | Primary |
| Year range | Ages 3–11 | Ages 3–11 |
| Students | 514 | 170 |
| Pupils on roll | 514 | 170 |
| Free school meals | 15.8% | 22.4% |
| Capacity filled | 115.5% | 81% |
| KS2 expected standard (RWM) | 56% | 47% |
| KS2 higher standard (RWM) | 7% | 0% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | – |
| Grade 4+ English & maths | – | – |
| EBacc average points | – | – |
| A level points per entry | – | – |
| town | Chessington | Chessington |
| region | London | London |
| Website | castlehill-kingston.co.uk/ | www.stmaryschessington.co.uk/ |
The verdict
- •Castle Hill Primary School scores higher on the Success Index (England) (42.6 vs 20.0).
- •Castle Hill Primary School does better on ks2: reading, writing & maths expected standard (56% vs 47%).
- •Castle Hill Primary School does better on ks2: higher standard (7% vs 0%).
- •Castle Hill Primary School is the larger school with 514 students compared with 170.
- •Castle Hill Primary School is a academy school while St Mary's CofE (Aided) Primary School is a local authority 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.
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 Castle Hill Primary School better than St Mary's CofE (Aided) Primary School?
On the Success Index (England), Castle Hill Primary School ranks higher (42.6 vs 20.0 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 Castle Hill Primary School and St Mary's CofE (Aided) Primary School?
About 679 m in a straight line, between Chessington and Chessington in London.
Which has the better Pupils on roll?
Castle Hill Primary School: 514. St Mary's CofE (Aided) Primary School: 170. Number of pupils in the latest school census.
How do Castle Hill Primary School and St Mary's CofE (Aided) Primary School rank in London?
Castle Hill Primary School is 1333rd of 1,720 and St Mary's CofE (Aided) Primary School is 1656th of 1,720 among primary schools in London on the 2025 Success Index (England).