Halcyon London International School

The school is located at 33 Seymour Place, London, W1H 5AU, in Marylebone, central London. It sits in the central London neighbourhood of Marylebone. The school is identified as Halcyon London International School in Marylebone, central London.

IB Middle Years Programme (MYP) and IB Diploma Programme (DP) for students aged 11 to 18.

The school operates on a not-for-profit model.

Halcyon provides accommodations for neurodivergent learners and counselling for social, emotional and mental health needs. The provision includes classroom support, differentiated lessons, digital tools, small group sessions, in-class assistance, specialist support, and a dedicated Learning Coach.

United Kingdom

ECAs start at 8am; lessons begin at 9am; lunch is provided; cognitive coaching, independent learning time and passion projects occur in the afternoons, with ECAs after 4pm.

Application fees and deposits

- Application fee: GBP 375 (inclusive of VAT).
- Acceptance deposit: GBP 1,800 (inclusive of VAT). Payable on acceptance of a place and refundable when the student leaves.
- Development fee (new student): GBP 2,250. Development fees are not prorated and are non-refundable.
- Development fee (returning student): GBP 125. Development fees are not prorated and are non-refundable.

Tuition fees (by year group)

- Grade 6–9: GBP 10,866 per term. Annual equivalent (three terms per academic year): GBP 32,598. Fees are stated on a termly basis.
- Grade 10: GBP 11,144 per term. Annual equivalent (three terms per academic year): GBP 33,432. Fees are stated on a termly basis.
- Grade 11–12: GBP 11,360 per term. Annual equivalent (three terms per academic year): GBP 34,080. Fees are stated on a termly basis.

Please note: the published tuition figures are termly amounts and the school operates three terms in the academic year. Tuition fees are not prorated and are non-refundable.

Billing schedule and payment terms

- Fees are published as termly amounts and correspond to the school's three-term academic calendar. Tuition is charged on a termly basis. Tuition fees are not prorated and are non-refundable. Specific invoice dates and payment-deadline terms are not published on the public fee summary.

Boarding

- Halcyon is a day school; boarding is not provided. Students must live with their parent(s) or legal guardian while enrolled.

Other costs and regularly recurring extras

- Digital device: cost variable depending on device (Grades 6–9: Apple iPad; Grades 10–12: laptop).
- Digital apps: approximately GBP 50 per school year.
- PE kit: typically GBP 15–30 per item.
- Sports programme (optional): GBP 100 per term.
- Halcyon Parent Community subscription: GBP 40 per school year.
- Mother Tongue Programme and limited optional trips: fees vary depending on course or trip location.

Additional inclusions in tuition (no separate charge): morning snack, daily vegetarian lunch, many day trips, an annual residential trip, examination fees, books and materials for art and science, and Pamoja online tuition for applicable courses. All of these are listed as included within the tuition. Tuition is described as non-refundable and not prorated.

Tax / VAT treatment

- The school's published material states that fees are liable for VAT at 20% and explains which items are shown inclusive of VAT (for example, the application fee and acceptance deposit are shown inclusive of VAT). Some other fees are published exclusive of VAT unless otherwise stated.

Refund information

- Acceptance deposit: refundable when the student leaves.
- Tuition fees: not prorated and non-refundable.
- Development fees: not prorated and non-refundable.

Fee payment options

- The school's public fee summary provides the amounts, deposits and the terms above; explicit, detailed payment-method instructions (for example, which card types are accepted, whether online card payment, Flywire, or particular bank-transfer instructions are offered) are not provided on the publicly published fee summary. For confirmed payment methods and invoice/payment instructions, contact the Admissions or Finance team directly using the published school contact details.

Summary of what was checked and what is not published in the public fee material

- Published and verifiable items included here: termly tuition amounts by grade band, application and acceptance deposits, development fees, the list of additional/optional costs and inclusions, VAT status, non-refundable and non-proration rules, and that the school is a day school. These items are taken from the school's published fee information and the school's term calendar confirming three terms per year.
- The school's publicly posted fee pages do not include detailed invoice-dates, payment deadlines, or an explicit list of accepted electronic payment methods. For the exact billing schedule, invoice timing, and accepted payment methods, contact Admissions or the Finance office using the school's published contact numbers.

156 students; 40+ nationalities represented.