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Halcyon London International School — boarding school campus
HL
London · Greater London · London

Halcyon London International School

Day onlyCo-edNoneInspectorate: ISI
School website

Situated in the heart of London, Halcyon London International School offers a dynamic and inclusive learning environment for students from diverse backgrou...

Age range
11–18
Pupils
161
60% boys / 40% girls
School type
Prep, Senior, Sixth Form

Pupil breakdown

Boys
97 (60%)
Girls
64 (40%)
SEN support
30 (18.6%)

Address

33 Seymour Place, London, W1H 5AU

Contact

Frequently asked questions

What type of school is Halcyon London International School?

Halcyon London International School is an independent mainstream school for pupils aged 11 to 18, located near London in Greater London. The school offers education from Prep through to Sixth Form, with pathways leading to GCSEs and A Levels.

How do I apply to Halcyon London International School?

Most families apply to Halcyon London International School 1–2 years before entry, with a process that can include tests, interviews and school reports. See the private school admissions timeline for when to apply and what to expect. https://schoolscout.uk/posts/uk-private-school-admissions-timeline

What age do pupils join Halcyon London International School?

Pupils usually join Halcyon London International School between the ages of 11-18, with some variation depending on the year group.

Is Halcyon London International School a day or boarding school?

Pupils at Halcyon London International School can attend as day.

Is Halcyon London International School selective?

Admissions to Halcyon London International School may include assessments and interviews where applicable.

Data source. Profile data, including fees, pupil numbers and A-Level results, is sourced from schoolscout.uk · scraped 2026-05-18. BestPeopleDo aggregates UK independent school data for parents researching options; we are not affiliated with this school. For admissions, fees and current vacancies, contact the school directly via the website above.