JCoSS vs Lyonsdown School
A head-to-head comparison of two schools in London, England, 1.2 km apart, using official English 2025 data. The better value in each row is highlighted.
JCoSS
New Barnet · Local authority secondary · Ages 11–19
1,356 students
Lyonsdown School
New Barnet · Independent primary · Ages 3–11
139 students
| Measure | JCoSS New Barnet, London | Lyonsdown School New Barnet, London |
|---|---|---|
| Success Index (England) | 94 Top 5% | – Not rated |
| Region rank | #34 of 640 | – |
| National rank | #156 of 4,090 | – |
| Sector | Local authority | Independent |
| Type | Secondary | Primary |
| Year range | Ages 11–19 | Ages 3–11 |
| Students | 1,356 | 139 |
| Pupils on roll | 1,356 | 139 |
| Free school meals | 4.3% | – |
| Capacity filled | 99.7% | 56% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 60.9 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 76.8% | – |
| Grade 4+ English & maths | 88.4% | – |
| EBacc average points | 4.92 | – |
| A level points per entry | 43.7 | – |
| town | New Barnet | New Barnet |
| region | London | London |
| Website | www.jcoss.org | www.lyonsdownschool.co.uk |
The verdict
- •JCoSS is the larger school with 1,356 students compared with 139.
- •JCoSS is a local authority school while Lyonsdown School is a independent school, so fees and admission rules differ.
- •JCoSS is co-educational and Lyonsdown 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 JCoSS better than Lyonsdown 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 JCoSS and Lyonsdown School?
About 1.2 km in a straight line, between New Barnet and New Barnet in London.
Which has the better Pupils on roll?
JCoSS: 1,356. Lyonsdown School: 139. Number of pupils in the latest school census.
How do JCoSS and Lyonsdown School rank in London?
JCoSS is 34th of 640 and Lyonsdown School is unranked among secondary schools in London on the 2025 Success Index (England).