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School profile
Halcyon London International School
33 Seymour Place, London, United Kingdom
International SchoolIB
Tuition
£41,040 – £42,912/yr
Age range
11 – 18 years
Curriculum
IB
Language
English
Overview
About the school
Halcyon London International School is a not-for-profit IB school in Marylebone for students aged 11 to 18. The school combines an innovative approach to the International Baccalaureate with strong wellbeing support, close teacher-student collaboration, and a central London campus.
Cost
Tuition and fees
£41,040 – £42,912/yr
(~€41,040 – €42,912/yr)
Application fee
£375(~€375)
Deposit
£1,800(~€1,800)
Financial aid
✓ Available
Official 2026/27 fee page states annual tuition is paid in three installments. Grade 6-9 annual tuition incl. VAT: GBP 41,040; Grade 10: GBP 42,120; Grade 11-12: GBP 42,912. Application fee GBP 375 incl. VAT, acceptance deposit GBP 1,800 incl. VAT, first-year development fee GBP 2,250 incl. VAT.
Fee schedule by grade
6-9
£41,040(~€41,040)
10
£42,120(~€42,120)
11-12
£42,912(~€42,912)
Program
Academic profile
Education levelsSecondary
Grades offeredGrades 6-12
Age range11 – 18 years
CurriculumIB
Language of instructionEnglish
Exams offeredIB Diploma Programme
Extracurricular
Sportsmusicco-curricular activitiesannual residential trips
Environment
Campus and facilities
BoardingSportsScience LabsArtsMusicTheaterLibraryTechnology