School Calendar
Academic Calendar 2025/2026
2025
August
11: Special Holiday
12: National Mother’s Day
18: First Day of Term 1 (2025)
19-22: Orientation and Camp
September
02: Start ECA / CCA
04: Teacher Appreciation Day(Wan Wai Kru)
October
03: International Teacher Day Celebration
06: Mid-Autumn Festival
08-10: Outdoor Camp – Kho Yai
11-19: Mid-Term Break
13: King Bhumibol Memorial Day
23: Chulalongkorn Memorial Day
31: Sports Day / Halloween
November
05: Loy Krathong
10-14: Anti-bullying Week
13: World Kindness Day
14: World Diabetes Day
December
01-03: Assessment Week (CA 1)
04: Marking Day
05: National Father’s Day
10: Constitution Day
12: Last Day of Term 112: Christmas Party for students
13 – Jan 06, 2026: Winter Holiday
2026
January
07: First Day of Term 2
09: Children’s Day
28: International Day
February
06: Waitangi Day (New Zealand’s national day)
09-13: Chinese Language Week
13: Chinese New Year
14-17: Chinese New Year Break
27: Field trip
March
02: Special Holiday
03: Makha Bucha Day
05: World Book Day
09-13: Mathematics Week
24-26: Assessment Week (CA 2)
27: Marking Day
31: Hari Raya Malay Singapore day
April
02: Last Day of Term 2
04: PTC / Report Card Day
05: Easter
06: Chakri Day
04-19: Songkran Break
13-15: Songkran Festival
20: First Day of Term 3
29: International Dance Day
May
01: Labor Day
04: Coronation Day
05: ASIS Fun Fair
14-15: Musical Day
29: Samoa’s National Day
June
01: Make Up Visakha Bucha Day
02: Special Public Holiday
03: Queen Suthida’s Birthday
05: World Environment Day
12: Music Fest ASIS
22-24: Assessment Week (SA)
25: Marking Day
26: Sunthorn Phu Day (Thai Language Day)
30: International Friendship Day
July
03: Graduation / Last Day of Term 3
04: PTC / Report Card Day
04-August 16: Summer Holiday
* Please note that the calendar is subject to change