Colnbrook Church of England Primary School vs Marish Primary School
A head-to-head comparison of two primary schools in South East, England, 2.6 km apart, using official English 2025 data. The better value in each row is highlighted.
Colnbrook Church of England Primary School
Colnbrook · Academy primary · Ages 3–11
235 students
Marish Primary School
Slough · Academy primary · Ages 3–11
763 students
| Measure | Colnbrook Church of England Primary School Colnbrook, South East | Marish Primary School Slough, South East |
|---|---|---|
| Success Index (England) | 63 Top 50% | 79 Top 25% |
| Region rank | #934 of 2,471 | #436 of 2,471 |
| National rank | #5211 of 15,697 | #2282 of 15,697 |
| Sector | Academy | Academy |
| Type | Primary | Primary |
| Year range | Ages 3–11 | Ages 3–11 |
| Students | 235 | 763 |
| Pupils on roll | 235 | 763 |
| Free school meals | 37.9% | 20.3% |
| Capacity filled | 111.9% | 94.7% |
| KS2 expected standard (RWM) | 73% | 77% |
| KS2 higher standard (RWM) | 13% | 24% |
| 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 | Colnbrook | Slough |
| region | South East | South East |
| Website | www.colnbrookprimary.com | www.marishacademytrust.co.uk/ |
The verdict
- •Marish Primary School scores higher on the Success Index (England) (79.1 vs 63.1).
- •Marish Primary School does better on ks2: reading, writing & maths expected standard (77% vs 73%).
- •Marish Primary School does better on ks2: higher standard (24% vs 13%).
- •Marish Primary School is the larger school with 763 students compared with 235.
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 Colnbrook Church of England Primary School better than Marish Primary School?
On the Success Index (England), Marish Primary School ranks higher (79.1 vs 63.1 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 Colnbrook Church of England Primary School and Marish Primary School?
About 2.6 km in a straight line, between Colnbrook and Slough in South East.
Which has the better Pupils on roll?
Colnbrook Church of England Primary School: 235. Marish Primary School: 763. Number of pupils in the latest school census.
How do Colnbrook Church of England Primary School and Marish Primary School rank in South East?
Colnbrook Church of England Primary School is 934th of 2,471 and Marish Primary School is 436th of 2,471 among primary schools in South East on the 2025 Success Index (England).