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International School of London term dates 2026/27

Autumn term 2026/27 at International School of London 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 International School of London in Hounslow, taken from the school’s own published calendar.

Next break

October half term

Mon 26 Oct – Fri 30 Oct

Back to school Mon 2 Nov

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

Days off at International School of London

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

  1. Term starts Wed 2 Sept

  2. Oct
    Half term

    October half term

    Mon 26 Oct – Fri 30 Oct

    Back to school Mon 2 Nov

    In school · 6 weeks · last day Fri 11 Dec

  3. Dec
    Holiday

    Christmas holiday

    Sat 12 Dec – Sun 3 Jan

    Back to school Mon 4 Jan

    In school · 6 weeks · last day Fri 12 Feb

  4. Feb
    Half term

    February half term

    Mon 15 Feb – Mon 22 Feb

    Includes INSET day Mon 22 Feb

    Back to school Tue 23 Feb

    In school · 4 weeks · last day Thu 25 Mar

  5. Mar
    Holiday

    Easter holiday

    Fri 26 Mar – Sun 11 Apr

    Back to school Mon 12 Apr

    In school · 12 weeks · last day Fri 2 Jul

  6. Jul
    Holiday

    Summer holiday

    From Sat 3 Jul

Terms, half terms and INSET days 2026/27

Autumn termStartsEndsHalf termMon 26 Oct – Fri 30 Oct
Spring termStartsEndsHalf termMon 15 Feb – Fri 19 FebINSET daysMon 22 Feb
Summer termStartsEndsHalf term–

International School of London 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 – Sun 3 Jan 2027
  • Easter holidayFri 26 Mar 2027 – Sun 11 Apr 2027
  • Summer holidayFrom Sat 3 Jul 2027

Questions parents ask

When does International School of London go back in September 2026?
The autumn term at International School of London starts on Wednesday 2 September 2026.
When is October half term 2026 at International School of London?
October half term at International School of London runs from Monday 26 October 2026 to Friday 30 October 2026.
When does International School of London break up for Christmas 2026?
The autumn term at International School of London ends on Friday 11 December 2026. The spring term starts on Monday 4 January 2027.
When is February half term 2027 at International School of London?
February half term at International School of London runs from Monday 15 February 2027 to Friday 19 February 2027.
When are the Easter holidays 2027 at International School of London?
The spring term at International School of London ends on Thursday 25 March 2027 and the summer term starts on Monday 12 April 2027.
When does International School of London break up for summer 2027?
The summer term at International School of London ends on Friday 2 July 2027.

Term-date updates

Email me when International School of London 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 International School of London before booking travel. Source: isllondon.org.

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

Term dates for other schools in Hounslow

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