St John's School vs Therfield School
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.
St John's School
Leatherhead · Independent secondary · Ages 11–18
892 students
Therfield School
Leatherhead · Academy secondary · Ages 11–18
1,075 students
| Measure | St John's School Leatherhead, South East | Therfield School Leatherhead, South East |
|---|---|---|
| Success Index (England) | 21 Lower 50% | 59 Top 50% |
| Region rank | #560 of 679 | #285 of 679 |
| National rank | #3482 of 4,090 | #1526 of 4,090 |
| Sector | Independent | Academy |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–18 |
| Students | 892 | 1,075 |
| Pupils on roll | 892 | 1,075 |
| Free school meals | – | 20.4% |
| Capacity filled | 93.9% | 78.2% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 17.6 | 49.0 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 0% | 49.1% |
| Grade 4+ English & maths | 0% | 69.8% |
| EBacc average points | 1.02 | 4.60 |
| A level points per entry | 44.6 | 25.9 |
| town | Leatherhead | Leatherhead |
| region | South East | South East |
| Website | www.stjohnsleatherhead.co.uk/ | www.therfield.surrey.sch.uk |
The verdict
- •Therfield School scores higher on the Success Index (England) (59.4 vs 20.7).
- •Therfield School is the larger school with 1,075 students compared with 892.
- •St John's School is a independent school while Therfield School is a academy 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 St John's School better than Therfield School?
On the Success Index (England), Therfield School ranks higher (59.4 vs 20.7 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 St John's School and Therfield School?
About 1.3 km in a straight line, between Leatherhead and Leatherhead in South East.
Which has the better Pupils on roll?
St John's School: 892. Therfield School: 1,075. Number of pupils in the latest school census.
How do St John's School and Therfield School rank in South East?
St John's School is 560th of 679 and Therfield School is 285th of 679 among secondary schools in South East on the 2025 Success Index (England).