Dorchester Middle School vs Sunninghill Preparatory School
A head-to-head comparison of two schools in South West, England, 1.2 km apart, using official English 2025 data. The better value in each row is highlighted.
Dorchester Middle School
Dorchester · Academy secondary · Ages 9–13
527 students
Sunninghill Preparatory School
Dorchester · Independent all-through · Ages 0–13
167 students
| Measure | Dorchester Middle School Dorchester, South West | Sunninghill Preparatory School Dorchester, South West |
|---|---|---|
| Success Index (England) | 35 Lower 50% | – Not rated |
| Region rank | #290 of 402 | – |
| National rank | #2709 of 4,090 | – |
| Sector | Academy | Independent |
| Type | Secondary | All-through |
| Year range | Ages 9–13 | Ages 0–13 |
| Students | 527 | 167 |
| Pupils on roll | 527 | 167 |
| Free school meals | 22% | – |
| Capacity filled | 87.8% | 83.5% |
| KS2 expected standard (RWM) | 49% | – |
| KS2 higher standard (RWM) | 5% | – |
| 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 | Dorchester | Dorchester |
| region | South West | South West |
| Website | www.dorchestermid.dorset.sch.uk | www.sunninghillprep.co.uk |
The verdict
- •Dorchester Middle School is the larger school with 527 students compared with 167.
- •Dorchester Middle School is a academy school while Sunninghill Preparatory School is a independent 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.
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Frequently asked questions
Is Dorchester Middle School better than Sunninghill Preparatory 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 Dorchester Middle School and Sunninghill Preparatory School?
About 1.2 km in a straight line, between Dorchester and Dorchester in South West.
Which has the better Pupils on roll?
Dorchester Middle School: 527. Sunninghill Preparatory School: 167. Number of pupils in the latest school census.
How do Dorchester Middle School and Sunninghill Preparatory School rank in South West?
Dorchester Middle School is 290th of 402 and Sunninghill Preparatory School is unranked among secondary schools in South West on the 2025 Success Index (England).