CIS Calendar Academic Year 2026-27 Draft 2

August-2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
						1	2
	3	4	5	6	7	8	9
1	10	11	12	13	14	15	16	Term 1
2	17	18	19	20	21	22	23	Term 1
3	24	25	26	27	28	29	30	Term 1
4	31							Term 1
14	Monthly Total \| Cumulative: 14

Monthly Events

5-7 Aug - Teacher Orientation

10 Aug - Parent/Student Orientation

11 Aug - T1 Begin (1st day of school)

12 Aug - The Queen Mother's Birthday

31 Aug - Student Council Election

September-2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
4		1	2	3	4	5	6	Term 1
5	7	8	9	10	11	12	13	Term 1
6	14	15	16	17	18	19	20	Term 1
7	21	22	23	24	25	26	27	Term 1
8	28	29	30					Term 1
22	Monthly Total \| Cumulative: 36

Monthly Events

18 Sep - Teachers in Service (No school for student)

23-24 Sep - Math/ Business/ Economics Fair

October-2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
8				1	2	3	4	Term 1
9	5	6	7	8	9	10	11	Term 1
10	12	13	14	15	16	17	18	Term 1
	19	20	21	22	23	24	25	Break
1	26	27	28	29	30	31		Term 2
16	Monthly Total \| Cumulative: 52

Monthly Events

12-16 Oct - Exam Week

13 Oct - Anniversary of the Death of King Bhumibol

23 Oct - Chulalongkorn Day

26 Oct - T2 Begin (School Reopens)

November-2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
1							1	Term 2
2	2	3	4	5	6	7	8	Term 2
3	9	10	11	12	13	14	15	Term 2
4	16	17	18	19	20	21	22	Term 2
5	23	24	25	26	27	28	29	Term 2
6	30							Term 2
22	Monthly Total \| Cumulative: 74

Monthly Events

6 Nov - Parent Teacher Conference (PTC)

21 Nov - Family Fun Run Day

30 Nov - Year 10 - Year 13 - Mock Exam 1

December-2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
6		1	2	3	4	5	6	Term 2
7	7	8	9	10	11	12	13	Term 2
	14	15	16	17	18	19	20	Break
	21	22	23	24	25	26	27	Break
	28	29	30	31				Break
10	Monthly Total \| Cumulative: 84

Monthly Events

1-4 Dec - Year 10 - Year 13 - Mock Exam 1

5 Dec - King Bhumibol's Birthday

7 Dec - King Bhumibol's Birthday observed

8-9 Dec - Thai Culture Trips (Secondary)

11-12 Dec - Sports Day

14 Dec - In lieu of Constitution Day

31 Dec - New Year's Eve

January-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
					1	2	3	Break
8	4	5	6	7	8	9	10	Term 2
9	11	12	13	14	15	16	17	Term 2
10	18	19	20	21	22	23	24	Term 2
11	25	26	27	28	29	30	31	Term 2
20	Monthly Total \| Cumulative: 104

Monthly Events

1 Jan - New Year's Day

4 Jan - School Reopens

13-15 Jan - Field Trips (Reception 1 - Year 8)

28-29 Jan - Overnight Camping Trip (Year 10 - Year 13)

February-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
12	1	2	3	4	5	6	7	Term 2
13	8	9	10	11	12	13	14	Term 2
	15	16	17	18	19	20	21	Break
1	22	23	24	25	26	27	28	Term 3
15	Monthly Total \| Cumulative: 119

Monthly Events

4-5 Feb - Quran Competition

8-12 Feb - Exam Week

22 Feb - Term 3 Begin (School Reopens)

March-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
2	1	2	3	4	5	6	7	Term 3
3	8	9	10	11	12	13	14	Term 3
4	15	16	17	18	19	20	21	Term 3
5	22	23	24	25	26	27	28	Term 3
6	29	30	31					Term 3
19	Monthly Total \| Cumulative: 138

Monthly Events

10 Mar - In lieu of Makha Bucha

11-15 Mar - Eil ul-Fitr (Tentative)

April-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
6				1	2	3	4	Term 3
7	5	6	7	8	9	10	11	Term 3
	12	13	14	15	16	17	18	Break
8	19	20	21	22	23	24	25	Term 3
9	26	27	28	29	30			Term 3
16	Monthly Total \| Cumulative: 154

Monthly Events

1-8 Apr - Year 10 - Year 13 - Mock Exams 2

9 Apr - In lieu of Chakri Day

13 Apr - Songkran

14-15 Apr - Songkran Holiday

19 Apr - School Reopens

23 Apr - Year 9, Year 11 IGCSE, and A Level Orientation

May-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
9						1	2	Term 3
10	3	4	5	6	7	8	9	Term 3
11	10	11	12	13	14	15	16	Term 3
12	17	18	19	20	21	22	23	Term 3
13	24	25	26	27	28	29	30	Term 3
14	31							Term 3
17	Monthly Total \| Cumulative: 171

Monthly Events

1 May - Music Festival

4 May - Coronation Day

17-18 May - Eid Ul Adha Holidays

19 May - Eid Ul Adha Holidays

20 May - Visakha Bucha Day

June-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun	Term
14		1	2	3	4	5	6	Term 3
15	7	8	9	10	11	12	13	Term 3
	14	15	16	17	18	19	20	Summer School
	21	22	23	24	25	26	27	Summer School
	28	29	30
8	Monthly Total \| Cumulative: 179

Monthly Events

3 Jun - Queen Suthida's Birthday

4-10 Jun - Final Exam

11 Jun - Last day of School

14-26 Jun - Summer School

July-2027

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
				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	31
0	Monthly Total \| Cumulative: 179

Monthly Events

28 Jul - King Vajiralongkorn's Birthday

Total Academic Days for Year: 179

Term Break (School Closed)

Public Holiday (School Closed)

School Activities

After School Activities

School Re-Opens

Crescent International School

Academic Calendar 2026-2027

Total Academic Days for Year: 179