FindMySchool
League Tables
Combined A-levels & GCSE
Primary Schools
Oxbridge Success
Schools
Schools by Area
Primary Schools
Secondary Schools
Sixth Form Schools
General Schools
A-levels
Secondary
Primary
Nursery
Blog
Sign In
Sign Up
Halcyon London International School Review 2026: Top 10% IB School in London | FindMySchool
Schools
London
Westminster
Halcyon London International School
Independent School
Halcyon London International School
Save
Compare
33 Seymour Place, London, W1H 5AU, London, W1H 5AU
Local Authority: Westminster
URN: 139415
A 6-digit identifier assigned by the Department for Education (DfE) to uniquely identify schools in England and Wales.
Secondary & Post-16
Sixth Form
Mixed
Ages 11-18
Religious Character: None
A-levels Ranking
#259
England
#6
Local
Oxbridge Ranking
#2440
England
Overview
A-levels
Oxbridge
ISI Inspection
ISI Inspection
ISI (Independent Schools Inspectorate) reports for independent schools, where available.
Inspection Reports
Routine Inspection
(2024)
Visit ISI School Page