Our Lady of Sion School term dates 2026/27
2026/27 academic year
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First day of school · first day backTue 1 Sep 2026School website
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AUTUMN TERM 2026Tue 1 Sep – Fri 11 Dec 2026School website
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School Development Day for Staff Only - closed to pupilsFri 16 Oct 2026School website
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Autumn half termMon 19 Oct – Sun 1 Nov 2026School website14 days off
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Christmas holidaySat 12 Dec 2026 – Sun 3 Jan 2027School website23 days off
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SPRING TERM 2027Mon 4 Jan – Thu 25 Mar 2027School website
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Spring half termMon 15 – Sun 21 Feb 2027School website7 days off
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School Development Day for Staff Only - closed to pupilsMon 22 Feb 2027School website
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Back to school · first day backTue 23 Feb 2027School website
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Easter holidayFri 26 Mar – Sun 18 Apr 2027School website24 days off
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SUMMER TERM 2027Mon 19 Apr – Fri 2 Jul 2027School website
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Summer half termMon 31 May – Sun 6 Jun 2027School website7 days off
Where these dates come from: dates marked “school” come from Our Lady of Sion School’s own published calendar; we re-check Our Lady of Sion 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 Our Lady of Sion School in October 2026?
Mon 19 Oct 2026 to Sun 1 Nov 2026 inclusive. Pupils at Our Lady of Sion School return on the next school day.
When does Our Lady of Sion 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 Our Lady of Sion School term dates?
Yes. Our Lady of Sion School sets its own term dates and publishes them itself, so these come from the school's own calendar rather than from West Sussex 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.
Try Hermo →
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 →