Halcyon London International School vs Sylvia Young Theatre School
A head-to-head comparison of two schools in London, England, 186 m apart, using official English 2025 data. The better value in each row is highlighted.
Halcyon London International School
London · Independent secondary · Ages 11–18
157 students
Sylvia Young Theatre School
Seymour Place · Independent all-through · Ages 10–16
185 students
| Measure | Halcyon London International School London, London | Sylvia Young Theatre School Seymour Place, London |
|---|---|---|
| Success Index (England) | – Not rated | 10 Lower 50% |
| Region rank | – | #621 of 640 |
| National rank | – | #3956 of 4,090 |
| Sector | Independent | Independent |
| Type | Secondary | All-through |
| Year range | Ages 11–18 | Ages 10–16 |
| Students | 157 | 185 |
| Pupils on roll | 157 | 185 |
| Free school meals | – | – |
| Capacity filled | 68.3% | 63.8% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | 25.5 |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | 22.2% |
| Grade 4+ English & maths | – | 40.7% |
| EBacc average points | – | 1.83 |
| A level points per entry | – | – |
| town | London | Seymour Place |
| region | London | London |
| Website | www.halcyonschool.com | www.syts.co.uk |
The verdict
- •Sylvia Young Theatre School is the larger school with 185 students compared with 157.
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 Halcyon London International School better than Sylvia Young Theatre 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 Halcyon London International School and Sylvia Young Theatre School?
About 186 m in a straight line, between London and Seymour Place in London.
Which has the better Pupils on roll?
Halcyon London International School: 157. Sylvia Young Theatre School: 185. Number of pupils in the latest school census.
How do Halcyon London International School and Sylvia Young Theatre School rank in London?
Halcyon London International School is unranked and Sylvia Young Theatre School is 621st of 640 among secondary schools in London on the 2025 Success Index (England).