Calendar

Date Range
-
RSS Feeds Subscribe to Alerts
May 2025
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, April 27
Monday, April 28
IB Exams
All Day
Tuesday, April 29
Day of Showa-School in Session
All Day
IB Exams
All Day
OIS/SIS MS/HS Class Visitation Day
All Day
SIS College Guidance Workshop for Parents 4:00 pm
All Day
SIS KG Univ. explanation for Parents 2:00 pm
All Day
Wednesday, April 30
IB Exams
All Day
Thursday, May 1
IB Exams
All Day
Friday, May 2
IB Exams
All Day
Saturday, May 3
Constitution Day
All Day
IB Exams
All Day
SAT Test (OIS/SIS)
All Day
Sunday, May 4
Greenery Day
All Day
IB Exams
All Day
Monday, May 5
Children's Day-No School
All Day
IB Exams
All Day
Tuesday, May 6
IB Exams
All Day
Substitute Holiday-No School
All Day
Wednesday, May 7
IB Exams
All Day
OIS PTA Monthly Meeting 9:00 am
All Day
Thursday, May 8
IB Exams
All Day
Friday, May 9
IB Exams
All Day
Saturday, May 10
IB Exams
All Day
Sunday, May 11
IB Exams
All Day
Monday, May 12
IB Exams
All Day
SIS G12 Course Registration for Fall
All Day
Tuesday, May 13
IB Exams
All Day
SIS G12 Course Registration for Fall
All Day
Wednesday, May 14
IB Exams
All Day
SIS G11 Course Registration for Fall
All Day
Thursday, May 15
IB Exams
All Day
SIS G11 Course Registration for Fall
All Day
Friday, May 16
IB Exams
All Day
OIS G10 Field Study (KG Uegahara Campus)
All Day
SIS G10 Course Registration for Fall
All Day
SIS PA Annual General Meeting
All Day
Saturday, May 17
Subscribe to Alerts IB Exams
All Day
Subscribe to Alerts SIS Open Day for new applicants
All Day
Sunday, May 18
Subscribe to Alerts IB Exams
All Day
Monday, May 19
Subscribe to Alerts IB Exams
All Day
Subscribe to Alerts SIS G10 Course Registration for Fall
All Day
Tuesday, May 20
Subscribe to Alerts IB Exams
All Day
Wednesday, May 21
Subscribe to Alerts [UN] World Day for Cultural Diversity for Dialogue and Development
All Day
Subscribe to Alerts IB Exams
All Day
Subscribe to Alerts SIS G12 Course Registration Changes
All Day
Thursday, May 22
Subscribe to Alerts IB Exams
All Day
Subscribe to Alerts SIS G12 Course Registration Changes
All Day
Friday, May 23
Subscribe to Alerts SIS G11 Course Registration Changes
All Day
Saturday, May 24
Subscribe to Alerts OIS ES Spring Concert
All Day
Subscribe to Alerts SOIS Festival
All Day
Sunday, May 25
Monday, May 26
Subscribe to Alerts OIS G5 & SIS G7 Music Course Explanation [LHR]
All Day
Subscribe to Alerts SIS G11 Career Studies [LHR]
All Day
Subscribe to Alerts SIS G11 Course Registration Changes
All Day
Tuesday, May 27
Subscribe to Alerts MS/HS Athletic Awards 4:00 pm
All Day
Subscribe to Alerts SIS G10 Course Registration Changes
All Day
Wednesday, May 28
Subscribe to Alerts SIS G10 Course Registration Changes
All Day
Thursday, May 29
Friday, May 30
Saturday, May 31
Subscribe to Alerts OIS HS Graduation
All Day

School Calendar (PDF)

A PDF copy of our printed school calendar for the next academic year (2024-2025) can be downloaded here.

Special Events

More information about annual school events, such as the All School Production, the School Festival, the International Fair, and Sports Day, can be found below