Halcyon London International School

URN: 139415 • London W1H 5AU

Overview

Name
Halcyon London International School
URN
139415
Type
Other independent school
Phase
Not applicable
Status
Open
Gender
Mixed
Religious
None
Admissions
Not applicable
Trust
Private
Yes
Ofsted rating
Outstanding
Ranking score
66.3 / 100
School thumbnail

Leadership & Contact

Headteacher
Barry Mansfield (since 2025) , Director
Telephone
02072581169
Website
Visit
Address
33 Seymour Place, London W1H 5AU

Summary

Halcyon London International School is a mixed, independent school located in Marylebone, London, catering to students aged 11 to 18. As a not-for-profit institution, Halcyon is dedicated to providing an exceptional education through the International Baccalaureate (IB) curriculum. With a current enrolment of 165 pupils and a capacity of 230, the school fosters a close-knit community that encourages collaboration and creativity among students and teachers.

The school's innovative approach integrates cutting-edge technology into learning, preparing students for a digital future. Halcyon emphasises student wellbeing, with a dedicated Wellbeing Lead on the Senior Leadership Team, ensuring a supportive environment where students feel valued and secure. Personalised mentoring and a focus on character development help students build resilience and autonomy.

Halcyon also offers tailored university and careers counselling, connecting students with global opportunities and preparing them for prestigious universities. The school's ethos centres on nurturing each student's unique potential, fostering academic curiosity, and promoting a sense of responsibility for their broader interests.

Key details

LA
Westminster
Age range
11 - 18
Boarders
No boarders
Sixth form
Has a sixth form
Trust
Capacity
230
Pupils
165
Boys
94
Girls
71
FSM %
Open date
2013-03-13
Close date
Last Ofsted
2020-03-05
Next inspection
Data snapshot
2025-07-14
County

Trends

DatePupilsBoysGirlsCapacityFSM%
2025-07-14 165 94 71 230
2024-09-11 187 103 84 230
2023-09-11 176 86 90 230 0.00
2022-09-11 176 86 90 230 0.00
2021-09-11 157 85 72 230 0.00
2020-09-11 187 97 90 230 0.00

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