Halcyon London International School
33 Seymour Place, London, W1H 5AU
157 pupils · 68% of 230 capacity
- Type
- Other independent school
- Ages
- 11–18
- Gender
- Mixed
- Local authority
- Westminster
- Sixth form
- Yes
Ofsted
No Ofsted rating — Not yet inspected
England has three coexisting inspection systems — how we translate them into one signal.
Nearby alternatives
- Wetherby Preparatory School 0.1 km · No Ofsted rating
- Sylvia Young Theatre School 0.2 km · No Ofsted rating
- Connaught House School 0.2 km · No Ofsted rating
- ICS London 0.5 km · No Ofsted rating
- Wetherby Senior School 0.8 km · No Ofsted rating
- Hospital Home and Education Units co St Mary's Hospitial Tuition Unit 0.9 km · No Ofsted rating
Straight-line distance — not travel time, and not a catchment. Same phase, open schools only.
Data from DfE and Ofsted open data (OGL v3) — sources. School record updated 10 July 2026. Report incorrect data.