La Sainte Union Catholic Secondary School vs William Ellis School
A head-to-head comparison of two secondary schools in London, England, 181 m apart, using official English 2025 data. The better value in each row is highlighted.
La Sainte Union Catholic Secondary School
London · Local authority secondary · Ages 11–18
550 students
William Ellis School
London · Local authority secondary · Ages 11–18
771 students
| Measure | La Sainte Union Catholic Secondary School London, London | William Ellis School London, London |
|---|---|---|
| Success Index (England) | 51 Top 50% | 48 Lower 50% |
| Region rank | #372 of 640 | #395 of 640 |
| National rank | #1935 of 4,090 | #2092 of 4,090 |
| Sector | Local authority | Local authority |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–18 |
| Students | 550 | 771 |
| Pupils on roll | 550 | 771 |
| Free school meals | 42.6% | 57.5% |
| Capacity filled | 45.1% | 86.1% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 48.5 | 48.2 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 42.4% | 52.6% |
| Grade 4+ English & maths | 56.5% | 71.1% |
| EBacc average points | 4.18 | 4.66 |
| A level points per entry | 34.2 | 29.8 |
| town | London | London |
| region | London | London |
| Website | www.lasainteunion.org.uk/ | www.williamellis.camden.sch.uk/ |
The verdict
- •La Sainte Union Catholic Secondary School scores higher on the Success Index (England) (50.7 vs 47.7).
- •William Ellis School is the larger school with 771 students compared with 550.
- •La Sainte Union Catholic Secondary School is girls and William Ellis School is boys.
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 La Sainte Union Catholic Secondary School better than William Ellis School?
On the Success Index (England), La Sainte Union Catholic Secondary School ranks higher (50.7 vs 47.7 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 La Sainte Union Catholic Secondary School and William Ellis School?
About 181 m in a straight line, between London and London in London.
Which has the better Pupils on roll?
La Sainte Union Catholic Secondary School: 550. William Ellis School: 771. Number of pupils in the latest school census.
How do La Sainte Union Catholic Secondary School and William Ellis School rank in London?
La Sainte Union Catholic Secondary School is 372nd of 640 and William Ellis School is 395th of 640 among secondary schools in London on the 2025 Success Index (England).