Marymount International School vs St James Senior Girls' School
A head-to-head comparison of two secondary schools in London, England, 9.5 km apart, using official English 2025 data. The better value in each row is highlighted.
Marymount International School
Kingston upon Thames · Independent secondary · Ages 11–18
178 students
St James Senior Girls' School
London · Independent secondary · Ages 11–18
180 students
| Measure | Marymount International School Kingston upon Thames, London | St James Senior Girls' School London, London |
|---|---|---|
| Success Index (England) | – Not rated | 31 Lower 50% |
| Region rank | – | #495 of 640 |
| National rank | – | #2935 of 4,090 |
| Sector | Independent | Independent |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–18 |
| Students | 178 | 180 |
| Pupils on roll | 178 | 180 |
| Free school meals | – | – |
| Capacity filled | 68.5% | 60% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | 39.2 |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | 0% |
| Grade 4+ English & maths | – | 0% |
| EBacc average points | – | 2.34 |
| A level points per entry | – | 40.9 |
| town | Kingston upon Thames | London |
| region | London | London |
| Website | www.marymountlondon.com | www.stjamesgirls.co.uk |
The verdict
- •St James Senior Girls' School is the larger school with 180 students compared with 178.
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 Marymount International School better than St James Senior Girls' School?
The two schools are very close on the Success Index (England). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Marymount International School and St James Senior Girls' School?
About 9.5 km in a straight line, between Kingston upon Thames and London in London.
Which has the better Pupils on roll?
Marymount International School: 178. St James Senior Girls' School: 180. Number of pupils in the latest school census.
How do Marymount International School and St James Senior Girls' School rank in London?
Marymount International School is unranked and St James Senior Girls' School is 495th of 640 among secondary schools in London on the 2025 Success Index (England).