UK Term Dates · Independent schools map
International School of London
Independent school · Hounslow
| Address | 139 Gunnersbury Avenue, London, W3 8LG |
|---|---|
| Ages | 3–18 |
| Pupils | 298 |
| Gender | Mixed |
| Boarding | No boarders |
| Phone | 02089925823 |
| Website | https://www.isllondon.org/ |
Term dates
Source: school website · checked 2026-10-16
Subscribe in your calendarAdd to Google CalendarDownload .ics
2026-27
| Term | Starts | Ends |
|---|---|---|
| Autumn 1 | Wed 2 Sep 2026 | Fri 23 Oct 2026 |
| Autumn 2 | Mon 2 Nov 2026 | Fri 11 Dec 2026 |
| Spring 1 | Mon 4 Jan 2027 | Fri 12 Feb 2027 |
| Spring 2 | Tue 23 Feb 2027 | Thu 25 Mar 2027 |
| Summer 1 | Mon 12 Apr 2027 | Fri 28 May 2027 |
| Summer 2 | Wed 2 Jun 2027 | Fri 2 Jul 2027 |
INSET days: Mon 22 Feb 2027
School calls these Term 1/2/3. Orientation Day for new students Tue 1 Sep 2026. Half terms given as holiday dates (Mon 26-Fri 30 Oct, Mon 15-Fri 19 Feb); periods end the last weekday before and restart the first weekday after. Staff professional development (no classes) Mon 22 Feb. Summer term has only a 'Bank Holiday break' Mon 31 May-Tue 1 Jun 2027 (no classes) rather than a full half term. Bank holiday Mon 3 May (no classes). Term 3 ends 12 noon Fri 2 Jul. Grade 11 residential trips 21-25 Sep; primary/secondary residential trips 10-14 May.
School details from the Department for Education's register (Open Government Licence). Term dates from the school's own published calendar; always confirm with the school.