Dair House School vs St Mary's Preparatory
A head-to-head comparison of two primary schools in South East, England, 20 km apart, using official English 2025 data. The better value in each row is highlighted.
Dair House School
Farnham Royal · Independent primary · Ages 2–11
100 students
St Mary's Preparatory
Henley-on-Thames · Independent primary · Ages 3–11
102 students
| Measure | Dair House School Farnham Royal, South East | St Mary's Preparatory Henley-on-Thames, South East |
|---|---|---|
| Success Index (England) | – Not rated | – Not rated |
| Region rank | – | – |
| National rank | – | – |
| Sector | Independent | Independent |
| Type | Primary | Primary |
| Year range | Ages 2–11 | Ages 3–11 |
| Students | 100 | 102 |
| Pupils on roll | 100 | 102 |
| Free school meals | – | – |
| Capacity filled | 66.7% | 51% |
| 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 | Farnham Royal | Henley-on-Thames |
| region | South East | South East |
| Website | www.dairhouse.co.uk | www.stmarysprep.co.uk |
The verdict
- •St Mary's Preparatory is the larger school with 102 students compared with 100.
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 Dair House School better than St Mary's Preparatory?
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 Dair House School and St Mary's Preparatory?
About 20 km in a straight line, between Farnham Royal and Henley-on-Thames in South East.
Which has the better Pupils on roll?
Dair House School: 100. St Mary's Preparatory: 102. Number of pupils in the latest school census.
How do Dair House School and St Mary's Preparatory rank in South East?
Dair House School is unranked and St Mary's Preparatory is unranked among primary schools in South East on the 2025 Success Index (England).