Marymount International School term dates 2026/27
2026/27 academic year
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New Staff Induction - closed to pupilsMon 24 Aug 2026School website
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Staff Retreat - closed to pupilsTue 25 Aug 2026School website
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Staff Conference Day - closed to pupilsWed 26 Aug 2026School website
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Staff Conference Day - closed to pupilsThu 27 Aug 2026School website
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First day of school · first day backTue 1 Sep 2026School website
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Autumn Term (first half)Tue 1 Sep – Fri 16 Oct 2026School website
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Half termSat 17 Oct – Sun 1 Nov 2026School website16 days off
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Autumn Term (second half)Mon 2 Nov – Fri 18 Dec 2026School website
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Christmas BreakSat 19 Dec 2026 – Sun 10 Jan 2027School website23 days off
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Spring Term (first half)Mon 11 Jan – Fri 12 Feb 2027School website
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Half termSat 13 – Sun 21 Feb 2027School website9 days off
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Spring Term (second half)Mon 22 Feb – Wed 24 Mar 2027School website
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Easter BreakThu 25 Mar – Sun 11 Apr 2027School website18 days off
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Summer TermMon 12 Apr – Fri 18 Jun 2027School website
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Staff Conference Day - closed to pupilsMon 21 Jun 2027School website
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Staff Conference Day - closed to pupilsTue 22 Jun 2027School website
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Staff Conference Day - closed to pupilsWed 23 Jun 2027School website
Where these dates come from: dates marked “school” come from Marymount International School’s own published calendar; we re-check Marymount International School’s website about every 3 months for INSET days and any changes, and your calendar updates itself when we find them. Spotted a mistake? Tell us.
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Questions parents ask
When is half term at Marymount International School in October 2026?
Sat 17 Oct 2026 to Sun 1 Nov 2026 inclusive. Pupils at Marymount International School return on the next school day.
When does Marymount International School go back to school in 2026/27?
The first day of the 2026/27 academic year is Tue 1 Sep 2026.
Are these the official Marymount International School term dates?
Yes. Marymount International School sets its own term dates and publishes them itself, so these come from the school's own calendar rather than from Kingston upon Thames Council — an independent school's terms often differ from the council's by a week or more. Every date is labelled with its source.
Can I get INSET days too?
Yes, INSET days are in the calendar where we have confirmed them from the school's own published dates, and each one is labelled with its source.
Will the calendar update by itself?
Yes. It is a live subscription, not a one-off copy: your calendar re-checks it automatically, so next year's dates appear without you doing anything, and any correction reaches you the same way. It is free, and you can unsubscribe in one click.
What else can Hermo do for us?
Hermo is a family organiser that does the organising. It reads the school emails directly (no forwarding), pulls trips, dress-up days and payment deadlines into your Google Calendar, and answers questions you’ve told it before (“what size shoe is Mia?”, “where’s the health insurance number?”) so either parent can get the answer in WhatsApp. The weekend watcher looks ahead midweek and flags what’s coming; the half-term watcher surfaces the break weeks early with club and activity options. No new app to install.
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The dates are the easy part. Covering the holidays is the bit that creeps up. Hermo starts on each school break weeks ahead, with local clubs, prices and times.
School holiday and half term childcare →