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2025/2026 academic calendar

2025 / 2026 School calendar

Semester starts
Semester ends
School holidays
Public holiday / non-school days
Orientation for new students / classes resume
Professional development / non-school days
Teachers' / Students' last day
Secondary conferences
Kindergarten & Primary conferences
July 2025
Sun Mon Tue Wed Thu Fri Sat
    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  
             
August 2025
Sun Mon Tue Wed Thu Fri Sat
  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          
September 2025
Sun Mon Tue Wed Thu Fri Sat
  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
Sun Mon Tue Wed Thu Fri Sat
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
             
November 2025
Sun Mon Tue Wed Thu Fri Sat
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            
December 2025
Sun Mon Tue Wed Thu Fri Sat
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
             
January 2026
Sun Mon Tue Wed Thu Fri Sat
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
           
February 2026
Sun Mon Tue Wed Thu Fri Sat
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
           
             
March 2026
Sun Mon Tue Wed Thu Fri Sat
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
         
April 2026
Sun Mon Tue Wed Thu Fri Sat
  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
             
May 2026
Sun Mon Tue Wed Thu Fri Sat
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          
June 2026
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 5
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30
             

2025 / 2026 key dates

What When
School administrators in school Wednesday 24 July
New Teachers and coordinators in school Monday 28 July
Leads in school Friday 1 August
Returning teachers in school Monday 4 August
Public holiday (National Day) Monday 11 August
New student orientation Tuesday 12 August
Semester 1 starts Wednesday 13 August 2025
Professional development day Friday 12 September
Kindergarten & Primary conferences (no classes on 15 October) Wednesday 15 October - Thursday 16 October
School holidays Saturday 18 October - Sunday 26 October
Secondary conferences (no classes on 7 November) Wednesday 5 November - Friday 7 November
School holidays Saturday 13 December - Sunday 4 January
Classes resumes / Orientation for new students Monday 5 January
Semester 1 ends Friday 16 January 2026
Semester 2 starts Monday 19 January 2026
Public holiday (Chinese New Year) Monday 16 February - Friday 20 February
Professional development day Thursday 19 March
Public holiday (Hari Raya Puasa) Friday 20 March
Public holiday (Good Friday) Friday 3 April
School holidays Saturday 4 April - Sunday 12 April
Public holiday (Labour day) Friday 1 May
Public holiday (Hari Raya Haji) Wednesday 27 May
Public holiday (Vesak day) Monday 1 June
Semester 2 ends Thursday 11 June 2026
Last day for students (half day) Thursday 11 June 2026
Last day of 2025-2026 for teachers (full day) Friday 12 June

This calendar outlines anticipated events for the 2025-2026 school year. CIS reserves the right to change these dates without consultation should circumstances warrant.

As with previous years, Singapore public holidays may be subject to change. Should there be a change in dates, the Ministry of Manpower will issue a media release to announce date changes accordingly.

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