Halcyon London International School

Secondary
Independent
Ages 11 to 18

No Ofsted inspection

33 Seymour Place, London, W1H 5AUOpen in maps (opens in a new tab)

Halcyon London International School is a secondary school in Westminster for ages 11 to 18. It is one of the 85 schools in Westminster.

Ofsted inspection

Ofsted has not published an inspection of Halcyon London International School.

Halcyon London International School on the Ofsted website (opens in a new tab)

Pupil numbers and mix

157 pupils on roll, with places for 230

Special educational needs support19.1%

19.1%, 4.3 percentage points above the England average of 14.8%.

Education, health and care plan0%

0%, 6 percentage points below the England average of 6%.

Schools near Halcyon London International School

School	Distance	Ofsted	Results
Sylvia Young Theatre School	0.1 miles	No Ofsted inspection	Attainment 8: 25.5
ICS London	0.3 miles	No Ofsted inspection	Not published
Wetherby Senior School	0.5 miles	No Ofsted inspection	Attainment 8: 18.9
Ark King Solomon Academy	0.5 miles	Ofsted: Outstanding	Attainment 8: 51.3
The St Marylebone CofE School	0.6 miles	Ofsted judgements: Outstanding	Attainment 8: 61.0

School details

School type: Other independent school
Sector: Independent
Age range: 11 to 18
Gender: Mixed
Sixth form: Yes
Headteacher: Mr Jeffrey Lippman
Phone: 02072581169
Website: halcyonschool.com (opens in a new tab)
Address: 33 Seymour Place, London, W1H 5AU
Local authority: Westminster
URN: 139415

School details from Get Information about Schools, 17 September 2026. Ofsted outcomes published to 31 August 2026. Pupil mix from the school census, 2025/26.