Sir Joseph Williamson's Mathematical School vs The Rochester Grammar School
A head-to-head comparison of two secondary schools in South East, England, 203 m apart, using official English 2025 data. The better value in each row is highlighted.
Sir Joseph Williamson's Mathematical School
Rochester · Academy secondary · Ages 11–18
1,555 students
The Rochester Grammar School
Rochester · Academy secondary · Ages 11–18
1,206 students
| Measure | Sir Joseph Williamson's Mathematical School Rochester, South East | The Rochester Grammar School Rochester, South East |
|---|---|---|
| Success Index (England) | 95 Top 5% | 95 Top 5% |
| Region rank | #38 of 679 | #33 of 679 |
| National rank | #125 of 4,090 | #107 of 4,090 |
| Sector | Academy | Academy |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–18 |
| Students | 1,555 | 1,206 |
| Pupils on roll | 1,555 | 1,206 |
| Free school meals | 11.7% | 11.8% |
| Capacity filled | 121.5% | 108.6% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 69.5 | 68.4 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 93.5% | 92.4% |
| Grade 4+ English & maths | 97.2% | 99.1% |
| EBacc average points | 6.82 | 6.51 |
| A level points per entry | 42.3 | – |
| town | Rochester | Rochester |
| region | South East | South East |
| Website | www.sjwms.org.uk | www.rochestergrammar.org.uk |
The verdict
- •Both schools have almost identical Success Index (England) scores (94.5 vs 95.2).
- •Sir Joseph Williamson's Mathematical School is the larger school with 1,555 students compared with 1,206.
- •Sir Joseph Williamson's Mathematical School is boys and The Rochester Grammar School is girls.
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 Sir Joseph Williamson's Mathematical School better than The Rochester Grammar 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 Sir Joseph Williamson's Mathematical School and The Rochester Grammar School?
About 203 m in a straight line, between Rochester and Rochester in South East.
Which has the better Pupils on roll?
Sir Joseph Williamson's Mathematical School: 1,555. The Rochester Grammar School: 1,206. Number of pupils in the latest school census.
How do Sir Joseph Williamson's Mathematical School and The Rochester Grammar School rank in South East?
Sir Joseph Williamson's Mathematical School is 38th of 679 and The Rochester Grammar School is 33rd of 679 among secondary schools in South East on the 2025 Success Index (England).