Halcyon London International School
International School in London
Quick answer
Halcyon London International School is the only not-for-profit IB school in London, serving 190 students from 36 nationalities aged 11 to 18 — sixth-form-focused. Accredited by IBO, COBIS and NEASC. Tuition $32,723-$34,205 per year. Halcyon's intentionally smaller model suits expat families seeking IB-track London secondary education with very small cohort sizes and innovative curriculum approach. The not-for-profit structure differentiates Halcyon from London's commercial IB internationals.
Key facts
- Curriculum: IB taught at Halcyon London International School.
- Tuition: $32,723–$34,205/yr published in GBP, US$ equivalent.
- Avg class size: 13 (max 16) London international school · 190 students total.
- 36 nationalities top: English.
- Ages: Ages 11 to 18 school day starts at 9:00.
- Accreditations: IBO, COBIS, NEASC verified.
190
36 (English)
13 avg / 16 max
Rolling
IBO, COBIS, NEASC
About Halcyon London International School
Halcyon believes that school life should inspire, engage and interest students from the moment they begin school to the day they graduate - because today’s education produces tomorrow’s leaders.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $32,723 – $34,205 |
| Annual tuition (GBP) | 32723-34205 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $36,454(+9%) |
| First-year total (with registration + deposit) | $38,954 |
| Cost position in London | 94th percentile(premium tier) |
IB
The International Baccalaureate (IB) Middle Years Programme and the IB Diploma Programme
Our 2023 average IB DP score is 34 points. The global average score is 29.8.
We offer a Mother Tongue programme with over 16 languages. More languages can be added upon request and an extra fee.
We have a Learning Coach who acts as our Special Educational Needs Teacher.
Yes
We have a limited English Plus programme to support the transition, but the student must have a certain level of English, which is assessed on entry.
9:00 – 16:00
Yes, included in the fees.
We are a vegetarian school and provide for all dietary requirements.
Is Halcyon London International School right for your family?
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At a Glance
Fee Position in London
PremiumSchool Profile
Class Size
Student Diversity
Highly diverse
Common: English
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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Nearby Schools (within 5km)
ICS London International School
IB, British · Ages Ages 3 to 18
$22,890 – $34,200/yr
Compare with HalcyonEIFA International School London
British, French · Ages Ages 2 to 14
$21,321 – $27,969/yr
Compare with HalcyonDisclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.