St Bernard's Catholic Grammar School vs St Mary's Church of England Primary School
A head-to-head comparison of two schools in South East, England, 838 m apart, using official English 2025 data. The better value in each row is highlighted.
St Bernard's Catholic Grammar School
Slough · Local authority secondary · Ages 11–18
1,178 students
St Mary's Church of England Primary School
Slough · Local authority primary · Ages 3–11
675 students
| Measure | St Bernard's Catholic Grammar School Slough, South East | St Mary's Church of England Primary School Slough, South East |
|---|---|---|
| Success Index (England) | 97 Top 5% | 50 Lower 50% |
| Region rank | #22 of 679 | #1397 of 2,471 |
| National rank | #64 of 4,090 | #8101 of 15,697 |
| Sector | Local authority | Local authority |
| Type | Secondary | Primary |
| Year range | Ages 11–18 | Ages 3–11 |
| Students | 1,178 | 675 |
| Pupils on roll | 1,178 | 675 |
| Free school meals | 3.7% | 28.6% |
| Capacity filled | 131.8% | 99% |
| KS2 expected standard (RWM) | – | 71% |
| KS2 higher standard (RWM) | – | 3% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 77.3 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 98.1% | – |
| Grade 4+ English & maths | 99.4% | – |
| EBacc average points | 7.35 | – |
| A level points per entry | 40.0 | – |
| town | Slough | Slough |
| region | South East | South East |
| Website | www.st-bernards.slough.sch.uk/ | www.stmarys.slough.sch.uk |
The verdict
- •St Bernard's Catholic Grammar School scores higher on the Success Index (England) (96.6 vs 49.6).
- •St Bernard's Catholic Grammar School is the larger school with 1,178 students compared with 675.
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 St Bernard's Catholic Grammar School better than St Mary's Church of England Primary School?
On the Success Index (England), St Bernard's Catholic Grammar School ranks higher (96.6 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 St Bernard's Catholic Grammar School and St Mary's Church of England Primary School?
About 838 m in a straight line, between Slough and Slough in South East.
Which has the better Pupils on roll?
St Bernard's Catholic Grammar School: 1,178. St Mary's Church of England Primary School: 675. Number of pupils in the latest school census.
How do St Bernard's Catholic Grammar School and St Mary's Church of England Primary School rank in South East?
St Bernard's Catholic Grammar School is 22nd of 679 and St Mary's Church of England Primary School is 1397th of 2,471 among secondary schools in South East on the 2025 Success Index (England).