Devonshire House Preparatory School vs St Mary's School, Hampstead
A head-to-head comparison of two schools in London, England, 332 m apart, using official English 2025 data. The better value in each row is highlighted.
Devonshire House Preparatory School
London · Independent all-through · Ages 2–13
430 students
St Mary's School, Hampstead
London · Independent primary · Ages 2–11
194 students
| Measure | Devonshire House Preparatory School London, London | St Mary's School, Hampstead London, London |
|---|---|---|
| Success Index (England) | – Not rated | – Not rated |
| Region rank | – | – |
| National rank | – | – |
| Sector | Independent | Independent |
| Type | All-through | Primary |
| Year range | Ages 2–13 | Ages 2–11 |
| Students | 430 | 194 |
| Pupils on roll | 430 | 194 |
| Free school meals | – | – |
| Capacity filled | 62.8% | 63.2% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| 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 | London | London |
| region | London | London |
| Website | www.devonshirehouseschool.co.uk/ | www.stmh.co.uk/ |
The verdict
- •Devonshire House Preparatory School is the larger school with 430 students compared with 194.
- •Devonshire House Preparatory School is co-educational and St Mary's School, Hampstead is girls.
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 Devonshire House Preparatory School better than St Mary's School, Hampstead?
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 Devonshire House Preparatory School and St Mary's School, Hampstead?
About 332 m in a straight line, between London and London in London.
Which has the better Pupils on roll?
Devonshire House Preparatory School: 430. St Mary's School, Hampstead: 194. Number of pupils in the latest school census.
How do Devonshire House Preparatory School and St Mary's School, Hampstead rank in London?
Devonshire House Preparatory School is unranked and St Mary's School, Hampstead is unranked among all-through schools in London on the 2025 Success Index (England).