Castle Hill Primary School vs Southborough High School
A head-to-head comparison of two schools in London, England, 1.2 km 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
Southborough High School
Surbiton · Academy secondary · Ages 11–18
935 students
| Measure | Castle Hill Primary School Chessington, London | Southborough High School Surbiton, London |
|---|---|---|
| Success Index (England) | 43 Lower 50% | 57 Top 50% |
| Region rank | #1333 of 1,720 | #325 of 640 |
| National rank | #9581 of 15,697 | #1639 of 4,090 |
| Sector | Academy | Academy |
| Type | Primary | Secondary |
| Year range | Ages 3–11 | Ages 11–18 |
| Students | 514 | 935 |
| Pupils on roll | 514 | 935 |
| Free school meals | 15.8% | 24.3% |
| Capacity filled | 115.5% | 102.2% |
| KS2 expected standard (RWM) | 56% | – |
| KS2 higher standard (RWM) | 7% | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | 48.3 |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | 51.2% |
| Grade 4+ English & maths | – | 70.5% |
| EBacc average points | – | 4.15 |
| A level points per entry | – | 25.7 |
| town | Chessington | Surbiton |
| region | London | London |
| Website | castlehill-kingston.co.uk/ | www.southborough.kingston.sch.uk/ |
The verdict
- •Southborough High School scores higher on the Success Index (England) (56.7 vs 42.6).
- •Southborough High School is the larger school with 935 students compared with 514.
- •Castle Hill Primary School is co-educational and Southborough High School is boys.
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 Southborough High School?
On the Success Index (England), Southborough High School ranks higher (56.7 vs 42.6 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 Southborough High School?
About 1.2 km in a straight line, between Chessington and Surbiton in London.
Which has the better Pupils on roll?
Castle Hill Primary School: 514. Southborough High School: 935. Number of pupils in the latest school census.
How do Castle Hill Primary School and Southborough High School rank in London?
Castle Hill Primary School is 1333rd of 1,720 and Southborough High School is 325th of 640 among primary schools in London on the 2025 Success Index (England).