2023-2024 School Calendar August 2023 (6 days) Sun Mon
August 2023
February 2024 (15 days)
Tue
Wed Thur
Fri
Sat
17/21 First Day for New Faculty / Returning Faculty
School Holiday
1
2
3
4
5
24 First Day of the Academic School Year
Regular School Day
September 2023
Sun Mon
Fri
1
2
3
8
9
10
8
9
10
11
12
13
14
15
16
17
18
19
2 Grade 12 Trip
Weekend
11
12
13
14
15
16
17
20
21
22
23
24
25
26
11 @SA Semester 1 starts
18
19
20
21
22
23
24
27
28
29
30
31
Regular School Days
25
26
27
28
29
Fri
Sat
1
2
September 2023 (20 days) Tue
Wed Thur
23 PD New MYP Faculty
Weekend
27 MYP/DP Back to School (Afternoon)
Fri
Sat
28 Wai Kru Ceremony / Mid-Autumn Festival
Regular School Day
1
2
29 Professional Development All Faculty
School Holiday
30 Tentative: PD for DP Teachers
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
Weekend
October 2023 13 Remembrance HM Rama IX
School Holiday
23-27 October Break (Chulalongkorn Day)
6
7
Sat
7
18-22 EY/PY Back to School Week
5
Wed Thur
6
Sun Mon
4
Tue
March 2024 (20 days) Sun Mon
Tue
Wed Thur
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24/31
25
26
27
28
29
30
Sat
November 2023 October 2023 (16 days)
1 End of First Quarter
Regular School Day
April 2024 (16 days)
Sun Mon
Tue
Wed Thur
Fri
Sat
9 Half Day Whole School Parent-Teacher Conferences (PTC)
Sun Mon
Tue
Wed Thur
Fri
1
2
3
4
5
6
7
10 Full Day Whole School Parent-Teacher Conferences (PTC)
1
2
3
4
5
6
8
9
10
11
12
13
14
13-17 G5 (15--17), G6-7 (14-17), G8-10 (13-17) WWW
8
9
10
11
12
13
15
16
17
18
19
20
21
27-1 G11 School Build Trip
14
15
16
17
18
19
20
22
23
24
25
26
27
28
21
22
23
24
25
26
27
29
30
31
28
29
30
Wed Thur
Fri
Sat
1
2
3
4
7 Regular School Days
27 Loy Krathong (Whole School) December 2023 5 Father's Day
November 2023 (22 days) Sun Mon
Tue
School Holiday
18-5 Winter Break
Wed Thur
Fri
Sat
1
2
3
4
15 @SA Semester 2 starts
Regular School Day
26 End of 1st Semester
Regular School Day
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
January 2024
May 2024 (23 days) Sun Mon
February 2024 9 Substition for Makha Bucha
School Holiday
12-16 Chinese New Year Break
Tue
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
March 2024 December 2023 (10 days) Sun Mon
Tue
Wed Thur
Fri
Sat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 25
19 26
20 27
21 28
22 29
23
24
4 Professional Development for Teachers 29 End of Third Quarter
June 2024 (14 days) Sun Mon
Tue
Wed Thur
Fri
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
Sun Mon
Tue
Wed Thur
Fri
Sat
1
2
3
4
5
6
7
8
9
10
11
12
13
April 2024
12-19 Songkran Break (Celebration on April 11)
Sat 1
Afternoon PTC (specific students by teacher's 5 Regular School Day request) & MYP Student-Led Conf.
30
31
School Holiday Regular School Day
School Holiday
May 2024 4 Coronation Day
Weekend
30
June 2024 January 2024 (18 days)
3 HM The Queen's Birthday 14 EY/PY Student Led Conferences
School Holiday
July 2024 (0 day)
Sun Mon
Tue
Wed Thur
Fri
Sat
1
2
3
4
5
6
14-15 Senior Valedictory Ceremony
7
8
9
10
11
12
13
17-21 G11 Career Prep Week
14
15
16
17
18
19
20
19 K3/G5 Graduations/Service Day
14
15
16
17
18
19
20
21
22
23
24
25
26
27
21 Last Day of the Academic School Year
21
22
23
24
25
26
27
28
29
30
31
28
29
30
31
Regular School Days
24-12 Summer School (tentative)
Events for students, regular day or half day
Beginning School Year / End Quarter, Semester, School Year
G5-10 Week Without Walls /School Build
Events for some students only
School Holiday: No School for Students & Teachers
Summer School
Events for all students
Back to School Night / Week
Professional Day: No school
Student Contact Days: 180
Please call 02-034-9000 ext. 211, 212 to schedule an appointment for a School Tour or Admissions Inquiry.
Updated: May 1, 2023
2024-2025 School Calendar August 2024 (9 days) Sun Mon
Tue
August 2024
February 2025 (18 days)
Wed Thur
Fri
Sat
13/14 First Day for New Faculty / Returning Faculty
School Holiday
1
2
3
20 First Day of the Academic School Year
Regular School Day
30 G12 Bonding Trip
Regular School Day
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 2024 6/13/20 G11 DP Retreat/G10 Bonding/G9 Bonding Trips
Regular School Day
9 @SA Semester 1 starts
Tue
Wed Thur
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
26 Wai Kru Ceremony 27 Professional Day for Teachers 27-29 27-29 IBO Regional Workshops held @Concordian
School Holiday
October 2024 4 G8 Bonding Trip
Regular School Day School Holiday
23 Chulalongkorn Day October 2024 (17 days)
25 End of First Quarter
Wed Thur
Fri
Sat
November 2024
1
2
3
4
5
7/8 Half Day / Full Day Whole School Parent-Teacher Conferences (PTC)
6
7
8
9
10
11
12
13
14
15
17
18
19
20
21
22
16 23
24
25
26
27
28
29
30
31
G5 (13-15), G6-7 (12-15), G8-10 (11-15) - WWW 11-15 G11 (11-15) - School Build Project
Regular School Day
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Sun
Mon
Tue
Wed Thur
Fri
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
Sun
Mon
1
Sat
1
2
Sat 1
6
Tue
Wed Thur
Fri
Sat
1
2
3
7
8
9
10
4 11
12
5
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Sun
Mon
Wed Thur
Fri
Sat
1
2
3
School Holiday
16-3 Winter Break January 2025
5
6
7
8
9
13 @SA Semester 2 starts
10
11
12
13
14
15
16
24 End of 1st Semester
17
18
19
20
21
22
23
27-3 Chinese New Year Break
24
25
26
27
28
29
30
Regular School Day School Holiday
December 2024 (9 days)
May 2025 (22 days) Tue
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
School Holiday
25
26
27
28
29
30
31
Regular School Day
Sun
Mon
Tue
Wed Thur
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
Sun
Mon
Sat
February 2025 12 Makha Bucha Day / PD Day for Teachers March 2025
Sun Mon
Tue
Wed Thur
Fri
Sat
10 School Holiday
1
2
3
4
5
6
7
28 End of Third Quarter
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23 30
24 31
25
26
27
28
June 2025 (14 days) April 2025
Afternoon PTC (specific students by teacher's 4 request) & MYP Student-Led Conferences
Regular School Day
11-18 Songkran Break (Celebration on April 10)
School Holiday
May 2025 January 2025 (15 days) Tue
4
13
4
Sun Mon
3
18 School Holiday
3
31
2
15 Loy Krathong (Whole School)
5 Father's Day
Fri
Sat
April 2025 (16 days)
December 2024 November 2024 (20 days) Wed Thur
Fri
Regular School Day
Tue
Tue
Wed Thur
March 2025 (20 days) Regular School Day
14-18 October Break
Sun Mon
Tue
11 MYP/DP Back to School (Afternoon)
Sun Mon
Sun Mon
Mon
Regular School Days
9-13 EY/PY Back to School Week September 2024 (20 days)
Sun
4 Coronation Day
Wed Thur
Fri
Sat
1
2
3
4
Weekend June 2025
5
6
7
8
9
10
11
3 HM The Queen's Birthday 13 EY/PY Student Led Conferences
12
13
14
15
16
17
18
14 Senior Valedictory Ceremony
19
20
21
22
23
24
25
26
27
28
29
30
31
16-17 G11 Career Prep Days
July 2025 (0 day) School Holiday
Regular School Days
Tue
Wed Thur
Fri
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
18 K3/G5 Graduations/Service Day
20
21
22
23
24
25
26
20 Last Day of the Academic School Year
27
28
29
30
31
23-11 Summer School (tentative) Events for students, regular day or half day
Beginning School Year / End Quarter, Semester, School Year
G5-11 Week Without Walls /School Build
Events for some students only
School Holiday: No School for Students & Teachers
Summer School
Events for all students
Back to School Night / Week
Professional Day: No school
Student Contact Days: 180
Please call 02-034-9000 ext. 211, 212 to schedule an appointment for a School Tour or Admissions Inquiry.
Updated: September 1, 2023