Halcyon London International School term dates 2026/27
Last verified 6 October 2026
Autumn term at Halcyon London International School starts Wednesday 2 September 2026 and ends Friday 11 December 2026. October half term runs 26 October 2026 to 30 October 2026.
Term dates for Halcyon London International School in London, compiled from the school's own published calendar and refreshed regularly.
Term dates
2026/27 term dates
| Term | Starts | Ends | Half term | INSET and closure days |
|---|---|---|---|---|
| Autumn term | 2 September 2026 | 11 December 2026 | 26 October 2026 to 30 October 2026 | 21 Sep 2026 |
| Spring term | 5 January 2027 | 24 March 2027 | 15 February 2027 to 19 February 2027 | 4 Jan 2027 |
| Summer term | 12 April 2027 | 1 July 2027 | Not listed | Not listed |
Getting Halcyon London International School's dates into Cyril
Cyril holds Halcyon London International School's term dates, half terms and INSET days for 2026/27, so they are in your plan from the day you add the school. For everything else the school sends, forward the email to Cyril or photograph the letter, and the dates join the same plan, with a reminder before anything needs doing.
These dates are drawn from Halcyon London International School's published calendar and can change. Always confirm with the school directly before booking travel or holidays. Cyril is not affiliated with Halcyon London International School; this is an independent listing for parents.