Academic Year
School Calendar 2026/27
Three terms from September to July, in step with the British school year. Term dates first, then the term diary, week by week.
The Year at a Glance
Term 1
Autumn Term
- Staff study days
- 26 to 28 August 2026
- Pupils return
- 31 August 2026
- Mid-term break
- 19 to 23 October 2026
- Term ends
- 16 December 2026, 12 noon
- Christmas holiday
- 17 December to 5 January
Term 2
Spring Term
- Term begins
- 6 January 2027
- Mid-term break
- 5 to 8 February 2027
- Term ends
- 5 March 2027, 12 noon
- Spring holiday
- 8 to 26 March
Term 3
Summer Term
- Term begins
- 29 March 2027
- Public holiday
- 6 May 2027
- Mid-term break
- 17 to 21 May 2027
- Public holiday
- 1 June 2027
- Term ends
- 9 July 2027, 12 noon
- Summer holiday
- From 10 July 2027
Staff study days precede each term. ISJ is closed on Indonesian public holidays that fall in term time.
Term 1 Diary 2026/27
What's on this term, week by week: assemblies, Family Fridays, trips, concerts and the rest.
Updated 23 September 2026
Week 1 31 August to 4 September
Monday 31 August
7.50amTerm begins for pupils
9.10amAssembly: Mrs Fisher
7pmCo-curricular activity sign-up opens (round 1)
Tuesday 1 September
9.30 to 9.50amISJ Bank open
Wednesday 2 September
9.00 to 9.30amBig Sing: Ms Wang
12 noonCo-curricular activity sign-up closes
Thursday 3 September
Nothing scheduled
Friday 4 September
Nothing scheduled
Week 2 7 to 11 September
Monday 7 September
9.10 to 9.30amAssembly: Mr Clarke
2pmCo-curricular clubs begin
Tuesday 8 September
9.30 to 9.50amISJ Bank open
4 to 5pmCurriculum Evening
Wednesday 9 September
9.00 to 9.30amBig Sing: Ms Wang
Thursday 10 September
Nothing scheduled
Friday 11 September
8.00 to 8.30amYear 7 Family Friday
9.30 to 9.50amSchool Council, Eco and Charity Committee meetings
Week 3 14 to 18 September
Monday 14 September
9.10 to 9.30amAssembly: Mr Harrison
Tuesday 15 September
8.00amParents' Circle committee meeting
9.30 to 9.50amISJ Bank open
Wednesday 16 September
9.00 to 9.30amBig Sing: Ms Wang
Thursday 17 September
8 to 9amReading and Phonics information presentation: Mrs Harrison
Friday 18 September
8.00 to 8.30amYear 5 and 6 Family Friday
Week 4 21 to 25 September
Monday 21 September
9.10 to 9.30amAssembly: House meetings
Tuesday 22 September
9.30 to 9.50amISJ Bank open
Wednesday 23 September
9.00 to 9.30amBig Sing: Ms Wang
Thursday 24 September
Nothing scheduled
Friday 25 September
House competitions, all day
8.00 to 8.30amYear 8 Family Friday
9.30 to 9.50amParents' Circle bake sale
Week 5 28 September to 2 October
Monday 28 September
9.10 to 9.30amAssembly: Ms Sutantio
Tuesday 29 September
9.30 to 9.50amISJ Bank open
Open House
Wednesday 30 September
9.00 to 9.30amBig Sing: Ms Wang
Thursday 1 October
Nothing scheduled
Friday 2 October
8.00 to 8.30amYear 4 Family Friday
National Batik Day
Week 6 5 to 9 October
Monday 5 October
9.10 to 9.30amAssembly: Prefects
Tuesday 6 October
9.30 to 9.50amISJ Bank open
Wednesday 7 October
9.00 to 9.30amBig Sing: Ms Wang
Individual photos, all day
Thursday 8 October
Nothing scheduled
Friday 9 October
World Mental Health Day
Week 7 12 to 16 October
Monday 12 October
9.10 to 9.30amAssembly: Ms Hayns
Tuesday 13 October
9.30 to 9.50amISJ Bank open
Wednesday 14 October
9.00 to 9.30amBig Sing: Ms Wang
Thursday 15 October
Nothing scheduled
Friday 16 October
No clubs
Half term 19 to 23 October
Monday 19 to Friday 23 October
School closed for half term
Week 8 26 to 30 October
Monday 26 October
9.10 to 9.30amAssembly: Mr Dopson
Tuesday 27 October
9.30 to 9.50amISJ Bank open
Wednesday 28 October
9.00 to 9.30amBig Sing: Ms Wang
Thursday 29 October
Nothing scheduled
Friday 30 October
Halloween dress-up day
1 to 2pmHalloween disco: FS1 to Year 2
2 to 3pmHalloween disco: Year 3 to Year 8
No clubs
Week 9 2 to 6 November
Monday 2 November
9.10 to 9.30amAssembly: Ms Brooks
Reception trip
Tuesday 3 November
9.30 to 9.50amISJ Bank open
Year 1 and 2 trip
Wednesday 4 November
9.00 to 9.30amBig Sing: Ms Wang
Year 3 and 4 trip
Thursday 5 November
Year 5 and 6 trip
Friday 6 November
8.00 to 8.30amYear 3 Family Friday
Year 7 and 8 residential
Week 10 9 to 13 November
Monday 9 November
9.10 to 9.30amAssembly: Mrs Withey-Hudaya
2.15 to 6pmPastoral parents evening, all classes
No clubs
Tuesday 10 November
9.30 to 9.50amISJ Bank open
2.15 to 6pmPastoral parents evening, all classes
No clubs
Wednesday 11 November
9.00 to 9.30amBig Sing: Ms Wang
No clubs
Thursday 12 November
No clubs
Friday 13 November
8.00 to 8.30amYear 2 Family Friday
World Kindness Day
No clubs
Week 11 16 to 20 November
Monday 16 November
9.10 to 9.30amAssembly: Miss Benbow
Tuesday 17 November
8.00amParents' Circle committee meeting
9.30 to 9.50amISJ Bank open
Wednesday 18 November
9.00 to 9.30amBig Sing: Ms Wang
Thursday 19 November
Nothing scheduled
Friday 20 November
8.00 to 8.30amYear 1 Family Friday
9.30 to 9.50amSchool Council, Eco and Charity Committee meetings
Week 12 23 to 27 November
Monday 23 November
9.10 to 9.30amAssembly: Talent Trails celebration week
Tuesday 24 November
9.30 to 9.50amISJ Bank open
Wednesday 25 November
9.00 to 9.30amBig Sing: Ms Wang
Thursday 26 November
Nothing scheduled
Friday 27 November
8.00 to 8.30amReception Family Friday
Week 13 30 November to 4 December
Monday 30 November
9.10 to 9.30amAssembly: Mrs Harrison
Tuesday 1 December
9.30 to 9.50amISJ Bank open
Wednesday 2 December
9.00 to 9.30amBig Sing: Ms Wang
Thursday 3 December
4pmClubs finish for the term
Friday 4 December
2 to 5pmChristmas Fair
No clubs
Week 14 7 to 11 December
Monday 7 December
9.10 to 9.30amAssembly: Mr Douglas
No clubs
Tuesday 8 December
9.30 to 9.50amISJ Bank open
No clubs
Wednesday 9 December
9.00 to 9.30amBig Sing: Ms Wang
Rehearsal for Christmas Concert
No clubs
Thursday 10 December
Rehearsal for Christmas Concert
No clubs
Friday 11 December
Christmas Concert
No clubs
Week 15 14 to 16 December
Monday 14 December
Assembly: Mrs Fisher
Tuesday 15 December
Nothing scheduled
Wednesday 16 December
Pupils' Christmas lunch
12 noonSchool finishes for the term
Dates are subject to change. For the most current information, contact admissions at admissions@isj.id.