Long Close School vs St Mary's Church of England Primary School
A head-to-head comparison of two schools in South East, England, 389 m apart, using official English 2025 data. The better value in each row is highlighted.
Long Close School
Slough · Independent all-through · Ages 2–16
183 students
St Mary's Church of England Primary School
Slough · Local authority primary · Ages 3–11
675 students
| Measure | Long Close School Slough, South East | St Mary's Church of England Primary School Slough, South East |
|---|---|---|
| Success Index (England) | 92 Top 5% | 50 Lower 50% |
| Region rank | #61 of 679 | #1397 of 2,471 |
| National rank | #202 of 4,090 | #8101 of 15,697 |
| Sector | Independent | Local authority |
| Type | All-through | Primary |
| Year range | Ages 2–16 | Ages 3–11 |
| Students | 183 | 675 |
| Pupils on roll | 183 | 675 |
| Free school meals | – | 28.6% |
| Capacity filled | 61% | 99% |
| KS2 expected standard (RWM) | – | 71% |
| KS2 higher standard (RWM) | – | 3% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 60.4 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 76.2% | – |
| Grade 4+ English & maths | 85.7% | – |
| EBacc average points | 5.30 | – |
| A level points per entry | – | – |
| town | Slough | Slough |
| region | South East | South East |
| Website | www.longcloseschool.co.uk | www.stmarys.slough.sch.uk |
The verdict
- •Long Close School scores higher on the Success Index (England) (92.4 vs 49.6).
- •St Mary's Church of England Primary School is the larger school with 675 students compared with 183.
- •Long Close School is a independent school while St Mary's Church of England Primary School is a local authority 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 Long Close School better than St Mary's Church of England Primary School?
On the Success Index (England), Long Close School ranks higher (92.4 vs 49.6 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 Long Close School and St Mary's Church of England Primary School?
About 389 m in a straight line, between Slough and Slough in South East.
Which has the better Pupils on roll?
Long Close School: 183. St Mary's Church of England Primary School: 675. Number of pupils in the latest school census.
How do Long Close School and St Mary's Church of England Primary School rank in South East?
Long Close School is 61st of 679 and St Mary's Church of England Primary School is 1397th of 2,471 among all-through schools in South East on the 2025 Success Index (England).