Halcyon London International School vs St Mary's Bryanston Square CofE School
A head-to-head comparison of two schools in London, England, 547 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
St Mary's Bryanston Square CofE School
London · Local authority primary · Ages 2–11
166 students
| Measure | Halcyon London International School London, London | St Mary's Bryanston Square CofE School London, London |
|---|---|---|
| Success Index (England) | – Not rated | 78 Top 25% |
| Region rank | – | #404 of 1,720 |
| National rank | – | #2397 of 15,697 |
| Sector | Independent | Local authority |
| Type | Secondary | Primary |
| Year range | Ages 11–18 | Ages 2–11 |
| Students | 157 | 166 |
| Pupils on roll | 157 | 166 |
| Free school meals | – | 25.6% |
| Capacity filled | 68.3% | 69.2% |
| KS2 expected standard (RWM) | – | 87% |
| KS2 higher standard (RWM) | – | 13% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | – |
| Grade 4+ English & maths | – | – |
| EBacc average points | – | – |
| A level points per entry | – | – |
| town | London | London |
| region | London | London |
| Website | www.halcyonschool.com | www.stmbs.org.uk |
The verdict
- •St Mary's Bryanston Square CofE School is the larger school with 166 students compared with 157.
- •Halcyon London International School is a independent school while St Mary's Bryanston Square CofE School is a local authority school, so fees and admission rules differ.
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 St Mary's Bryanston Square CofE 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 St Mary's Bryanston Square CofE School?
About 547 m in a straight line, between London and London in London.
Which has the better Pupils on roll?
Halcyon London International School: 157. St Mary's Bryanston Square CofE School: 166. Number of pupils in the latest school census.
How do Halcyon London International School and St Mary's Bryanston Square CofE School rank in London?
Halcyon London International School is unranked and St Mary's Bryanston Square CofE School is 404th of 1,720 among secondary schools in London on the 2025 Success Index (England).