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Halcyon London International School term dates 2026/27

Autumn term 2026/27 at Halcyon London International School starts Wednesday 2 September 2026 and ends Friday 11 December 2026. Half term runs 26 October 2026 to 30 October 2026.

Term dates, half terms and INSET days for Halcyon London International School in Westminster, taken from the school’s own published calendar.

Next break

Christmas holiday

Sat 12 Dec – Mon 4 Jan

Back to school Tue 5 Jan

Autumn term started
Wed 2 Sept 2026
Autumn term ends
Fri 11 Dec 2026

Days off at Halcyon London International School

Half terms, holidays and INSET days, with the day pupils are back.

  1. Term starts Wed 2 Sept

  2. Sept
    INSET

    INSET day

    Mon 21 Sept

    Back to school Tue 22 Sept

    Past

    In school · 5 weeks · last day Fri 23 Oct

  3. Oct
    Half term

    October half term

    Mon 26 Oct – Fri 30 Oct

    Back to school Mon 2 Nov

    Past

    In school · 6 weeks · last day Fri 11 Dec

  4. Dec
    Holiday

    Christmas holiday

    Sat 12 Dec – Mon 4 Jan

    Back to school Tue 5 Jan

    In school · 6 weeks · last day Fri 12 Feb

  5. Feb
    Half term

    February half term

    Mon 15 Feb – Fri 19 Feb

    Back to school Mon 22 Feb

    In school · 4 weeks · last day Wed 24 Mar

  6. Mar
    Holiday

    Easter holiday

    Thu 25 Mar – Sun 11 Apr

    Back to school Mon 12 Apr

    In school · 12 weeks · last day Thu 1 Jul

  7. Jul
    Holiday

    Summer holiday

    From Fri 2 Jul

Terms, half terms and INSET days 2026/27

Autumn termStartsEndsHalf termMon 26 Oct – Fri 30 OctINSET daysMon 21 Sept
Spring termStartsEndsHalf termMon 15 Feb – Fri 19 FebINSET daysMon 4 Jan
Summer termStartsEndsHalf term–

Halcyon London International School hasn't published the summer half term yet. We’ll add them when the school does.

School holidays 2026/27

  • Christmas holidaySat 12 Dec 2026 – Mon 4 Jan 2027
  • Easter holidayThu 25 Mar 2027 – Sun 11 Apr 2027
  • Summer holidayFrom Fri 2 Jul 2027

Questions parents ask

When does Halcyon London International School go back in September 2026?
The autumn term at Halcyon London International School starts on Wednesday 2 September 2026.
When is October half term 2026 at Halcyon London International School?
October half term at Halcyon London International School runs from Monday 26 October 2026 to Friday 30 October 2026.
When does Halcyon London International School break up for Christmas 2026?
The autumn term at Halcyon London International School ends on Friday 11 December 2026. The spring term starts on Tuesday 5 January 2027.
When is February half term 2027 at Halcyon London International School?
February half term at Halcyon London International School runs from Monday 15 February 2027 to Friday 19 February 2027.
When are the Easter holidays 2027 at Halcyon London International School?
The spring term at Halcyon London International School ends on Wednesday 24 March 2027 and the summer term starts on Monday 12 April 2027.
When does Halcyon London International School break up for summer 2027?
The summer term at Halcyon London International School ends on Thursday 1 July 2027.

Term-date updates

Email me when Halcyon London International School changes its term dates or publishes 2027/28

One email when the dates change or next year's calendar goes up. Nothing else.

Schools do change dates. Check with Halcyon London International School before booking travel. Source: halcyonschool.com.

Halcyon London International School: fees, admissions and open days →

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