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Halcyon London International School Review 2026: Top 10% IB School in London | FindMySchool
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London
Westminster
Halcyon London International School
Independent School
Halcyon London International School
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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
A-levels Ranking
#259
England
#6
WESTMINSTER
A-Level Performance
Detailed breakdown of A-level results for Halcyon London International School.
Grade Distribution
A*-B Total
Combined top grades
79.52%
+32% vs Eng avg
A* Grade
13.25%
+5% vs Eng avg
A Grade
37.35%
+19% vs Eng avg
B Grade
28.92%
+3% vs Eng avg
School result
England average
