+66 (0) 26798777

info@cis.ac.th

OFFICE TIME 8:00am- 4.00pm

Monday to Friday

Academic Calendar

April 2026

Mon Tue Wed Thu Fri Sat Sun
1
  • Mock 2 Exam
2
  • Mock 2 Exam
  • Book Character Day
3
  • Mock 2 Exam
4
5
6
  • Chakri Day Holiday
  • Chakri Day
7
  • Chakri Day
  • Mock 2 Exam
8
  • Mock 2 Exam
9
  • Mock 2 Exam
10
11
12
13
  • Songkran Festival Holiday
  • Songkran
14
  • Songkran Festival Holiday
  • Songkran
  • Songkran Holiday
15
  • Songkran Festival Holiday
  • Songkran Holiday
  • Songkran Holiday
16
  • Songkran Holiday
  • School Break
17
  • School Break
18
19
20
  • School Reopens
21
22
23
  • Y9 & Y11 - IGCSE and A level Orientation
24
25
26
27
28
29
30

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