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International School · Primary · Year 2–6 · Chalong campus

Academic Calendar 2026 – 2027

B.E. 2569 / 2570

The year month by month

Hover over a date to see what the day is.

Module I1 Sep – 9 Oct · 29 days
Module II19 Oct – 18 Dec · 43 days
Module III5 Jan – 12 Feb · 29 days
Module IV22 Feb – 9 Apr · 34 days
Module V21 Apr – 25 Jun · 45 days

August 2026

September 2026

October 2026

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

Legend

Study days
Half-study day
Teachers Dev. Days — no school for students
Public holiday
School break
First day of module
Celebration
Parents — event / open
Parents — meetings

Breaks & closures

Aug 24–28 — Teachers Development Days (no students)
Oct 10 (Sat) — Teacher Development Day (no students)
Oct 12–16 — Autumn break · Teacher Dev Days 12–13
Oct 13 — King Bhumibol Memorial Day
Dec 7 — King's Birthday · Father's Day — day off (5 Dec = Sat)
Dec 19 — Teachers Development Day (no students)
Dec 21–22 — Teacher Development Days (no students)
Dec 23 – Jan 4 — Winter break
Feb 15–19 — February break · Teacher Dev Days 15–17
Apr 10 (Sat) — Teacher Development Day (no students)
Apr 12–20 — Spring break · Songkran · Teacher Dev Days 19–20
Jun 3–4 — Queen Suthida's Birthday · Bridge holiday
Jun 26 — Teachers Development Day — no school (year wrap-up)

Events & celebrations

Aug 31 — Parents' Orientation (no classes)
Sep 1 — Knowledge Day · Module I begins
Oct 9 (Fri) — Electives Showcase · Initiation Ceremony (open event, parents · no classes)
Oct 30 — Halloween
Nov 25 — Loy Krathong
Dec 10–11 — Parent meetings
Dec 18 — New Year celebration (with parents · no classes)
Jan 15 — Wai Kru · Teachers' Day
Feb 12 — Electives mini-event (half-study day · with parents)
Apr 1–2 — Parent meetings
Apr 9 — Songkran celebration · Electives Showcase (with parents)
Jun 25 — Graduation · End of Academic Year (no classes · parents invited)

How a pupil's year works and why there are five modules → The year cycle. Kindergarten and Year 1 calendar → here.