Calendar

Date Range
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Calendar RSS Feeds Subscribe to Calendar Alerts
October 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, September 27
Monday, September 28
KG School Foundation Day
All Day
SIS G10 Course Registration for Winter
All Day
Tuesday, September 29
SIS G10 Course Registration for Winter
All Day
Wednesday, September 30
SIS G12 Course Registration Changes
All Day
Thursday, October 1
SIS G12 Course Registration Changes
All Day
Friday, October 2
AJAA HS JV Boys Volleyball (SMIS) & Girls Volleyball (KIUA)
All Day
AJAA MS Baseball (CA) & Girls Volleyball (SOIS)
All Day
Saturday, October 3
AJAA HS JV Boys Volleyball (SMIS) & Girls Volleyball (KIUA)
All Day
AJAA MS Baseball (CA) & Girls Volleyball (SOIS)
All Day
AJAA MS/HS Cross Country (CA)
All Day
SAT Test (OIS/SIS)
All Day
SIS Open Day for new applicants (online)
All Day
Sunday, October 4
Monday, October 5
SIS G11 Course Registration Changes
All Day
Tuesday, October 6
SIS G11 Course Registration Changes
All Day
Wednesday, October 7
OIS PTA Monthly Meeting 9:00 am
All Day
SIS G10 Course Registration Changes
All Day
Thursday, October 8
SIS G10 Course Registration Changes
All Day
Friday, October 9
AJAA HS Baseball (CA)
All Day
AJAA HS Boys Volleyball (YIS) & Girls Volleyball (SOIS)
All Day
IBDP Bio Lab IA (Session 1)
All Day
Saturday, October 10
AJAA HS Baseball (CA)
All Day
AJAA HS Boys Volleyball (YIS) & Girls Volleyball (SOIS)
All Day
IBDP Bio Lab IA (Session 1)
All Day
Sunday, October 11
Monday, October 12
Sports Day-No School
All Day
Tuesday, October 13
Wednesday, October 14
OIS ES Parent-Teacher Conferences-ES No Classes
All Day
PSAT Test (OIS/SIS)
All Day
SOIS Learning Fair
All Day
Thursday, October 15
AISA Boys Volleyball (SOIS), Girls Volleyball (KIS), & Cross Country (KAS)
All Day
OIS ES Parent-Teacher Conferences-ES No Classes
All Day
Friday, October 16
Subscribe to Calendar Alerts AISA Boys Volleyball (SOIS), Girls Volleyball (KIS), & Cross Country (KAS)
All Day
Subscribe to Calendar Alerts IBDP Bio Lab IA (Session 2)
All Day
Subscribe to Calendar Alerts OIS ES Planning Day-ES No Classes
All Day
Saturday, October 17
Subscribe to Calendar Alerts AISA Boys Volleyball (SOIS), Girls Volleyball (KIS), & Cross Country (KAS)
All Day
Subscribe to Calendar Alerts IBDP Bio Lab IA (Session 2)
All Day
Sunday, October 18
Subscribe to Calendar Alerts AISA Boys Volleyball (SOIS), Girls Volleyball (KIS), & Cross Country (KAS)
All Day
Monday, October 19
Tuesday, October 20
Subscribe to Calendar Alerts SIS Class Visitation Day
All Day
Subscribe to Calendar Alerts SIS College Guidance Workshop for Parents 4:00 pm
All Day
Wednesday, October 21
Thursday, October 22
Subscribe to Calendar Alerts Yearbook Picture Day
All Day
Friday, October 23
Subscribe to Calendar Alerts IBDP Physics Lab IA
All Day
Subscribe to Calendar Alerts Yearbook Picture Day
All Day
Saturday, October 24
Subscribe to Calendar Alerts IBDP Physics Lab IA
All Day
Sunday, October 25
Monday, October 26
Tuesday, October 27
Wednesday, October 28
Thursday, October 29
Friday, October 30
Subscribe to Calendar Alerts OIS PYP Halloween Parade
All Day
Saturday, October 31
Subscribe to Calendar Alerts OIS/SIS Sports Day
All Day

School Calendar (PDF)

A PDF copy of our printed school calendar for the current academic year (2025-2026) can be downloaded here.

School Calendar (PDF)

A PDF copy of our printed school calendar for the next academic year (2026-2027) 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