ACADEMIC CALENDAR 2025-2026
| 2025 - 2026 | MON | TUE | WED | THU | FRI | SAT | SUN | IMPORTANT DATES |
|---|---|---|---|---|---|---|---|---|
| August 2025 | 1 | 2 | 3 | |||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12th HM Queen Sirikit's Birthday (Mother's Day) | |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 19th - 22nd Inset Days | |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 | ||
| 25 | 26 | 27 | 28 | 29 | 30 | 31 | 25th Start of Term 1 SY2025-2026 | |
| September 2025 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 | ||
| 15 | 16 | 17 | 18 | 19 | 20 | 21 | ||
| 22 | 23 | 24 | 25 | 26 | 27 | 28 | ||
| 29 | 30 | |||||||
| October 2025 | 1 | 2 | 3 | 4 | 5 | |||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13th Navamindra Maharaj Day | |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20th-26th Half Term Break | |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 23rd Chulalongkorn Day (HM King Rama V) | |
| 27 | 28 | 29 | 30 | 31 | ||||
| November 2025 | 1 | 2 | ||||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 5th Loy Kra Thong Day | |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 | ||
| 17 | 18 | 19 | 20 | 21 | 22 | 23 | ||
| Term 1 = 64 Days | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
| December 2025 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 5th HM King Rama IX's Birthday (Father's Day) |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 | 10th Constitution Day | |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 | 18th End of Term 1 SY2025-2026 and X-mas Show | |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 | 19th Parents-Teachers Consultation Day (Students are not in school) | |
| 29 | 30 | 31 | 22nd - 30th Dec. Christmas and New Year Holidays, 31st New Year's Eve | |||||
| January 2026 | 1 | 2 | 3 | 4 | 1st New Year's Day (Public Holiday) | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 | 5th Start of Term 2 SY 2025-2026 | |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||
| 19 | 20 | 21 | 22 | 23 | 24 | 25 | ||
| 26 | 27 | 28 | 29 | 30 | 31 | |||
| February 2026 | 1 | |||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
| 9 | 10 | 11 | 12 | 13 | 14 | 15 | ||
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 16th-22nd Half Term Break | |
| 23 | 24 | 25 | 26 | 27 | 28 | |||
| March 2026 | 1 | |||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 3rd Makha Bucha Day | |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 | ||
| Term 2 = 61 Days | 16 | 17 | 18 | 19 | 20 | 21 | 22 | |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 | ||
| 30 | 31 | |||||||
| April 2026 | 1 | 2 | 3 | 4 | 5 | 3rd End of Term 2 SY 2025-2026 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 | 6th Chakri Day | |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 | 13th-17th Songkran Festival Break | |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 20th Start of Term 3 SY 2025-2026 | |
| 27 | 28 | 29 | 30 | |||||
| May 2026 | 1 | 2 | 3 | 1st Labour Day | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 | 4th Coronation Day | |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| 18 | 19 | 20 | 21 | 22 | 23 | 24 | ||
| 25 | 26 | 27 | 28 | 29 | 30 | 31 | 31st Visakha Bucha Day | |
| June 2026 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 1st Compensation, 2nd School Holiday |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 | 3rd HM Queen Suthida's Birthday | |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 | ||
| 22 | 23 | 24 | 25 | 26 | 27 | 28 | ||
| Term 3 = 60 Days | 29 | 30 | ||||||
| July 2026 | 1 | 2 | 3 | 4 | 5 | 3rd Last day of Term 3 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
| 13 | 14 | 15 | 16 | 17 | 18 | 19 | ||
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 28th HM King Rama X's Birthday | |
| 27 | 28 | 29 | 30 | 31 | 29th Arsarnha Bucha, 30th Buddhist Lent | |||
| August 2026 | 1 | 2 | ||||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 12th HM Queen Sirikit's Birthday (Mother's Day) | |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 | 18th - 21st Inset Days | |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 | ||
| 24 | 25 | 26 | 27 | 28 | 29 | 30 | 24th Start of Term 1 SY 2026-2027 | |
| 31 |
185 School Days:
Public Holidays
Parents-Teachers Consultation Day (Students are not in school)
School Holidays
Teachers' In Service Training Day (Students are not in School)
Note : THIS ACADEMIC CALENDAR MAY BE REVISED UPON THE GOVERNMENT ANNOUNCEMENT OF ANY CHANGES TO THE PUBLIC HOLIDAYS DURING THE YEAR.