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Calendar & School Hours


The academic year is 180 days, broken into two semesters. Semester 1 is from early August until late December. Semester 2 is from early January to early June. Lao National holidays are observed in addition to traditional international school breaks.

Key events are highlighted on this active calendar and on the official VIS printed wall calendar distributed to families at the start of the school year.

Download our one page "Year at a Glance 2018/2019"

Download our school "Timetable Days Calendar"

Download our one page "Year at a Glance 2019/2020"

Abbreviations -

PLDProfessional Learning Day
CCPCo-curricular Program
IBInternational Baccalaureate
UOIUnit of Inquiry
MRISAMekong River International Schools Association

Time specific events will be updated during each month in the live calendar below.

School Calendar

December 2018
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sun, Nov 25
Tue, Nov 27
Primary Sports Day
Wed, Nov 28
VSSA Junior Boys Basketball final
VIS front court
VSSA Senior Volleyball final
Vientiane Pattana School, 13, Vientiane, Laos
Thu, Nov 29
Attepeu Concert
National Culture Hall
Fri, Nov 30
Student Council Trivia Night
Fitness Center
Sat, Dec 1
SAT Testing
Secondary Building
Sun, Dec 2
Tue, Dec 4
P & F Meeting
Primary Student-Led Conference (Open House)
Primary School
VIS Parent Forum
Conference Room
Wed, Dec 5
P & F Pot Luck Lunch
Grade 11 Math Exam
Room 3123
Thu, Dec 6
Fri, Dec 7
Christmas Event
Dragon's Corner
Pest Control Spray
Sat, Dec 8
Sun, Dec 9
Mon, Dec 10
Grade 12 Math Exam
Room 3123
Secondary Celebration and Award
Fitness center
Tue, Dec 11
Wed, Dec 12
Junior Girls football vs Hoffet
Front Soccer field
Junior Boys Football vs Hoffet
Front Soccer field
Fri, Dec 14
Secondary Activities Day
Primary Farewell Assembly
Fitness Center
Early Dismissal
Sat, Dec 15

School Hours

Primary School (ey - Grade 5)

  • Monday, Wednesday, Thursday, Friday

7.50am - 3.00pm

  • Tuesday

7.50am - 2.15pm

Secondary School (Grade 6 - 12)

  • Monday, Wednesday, Thursday, Friday

8.00am - 3.05pm

  • Tuesday

8.00am - 2.15pm

Grade 11 and 12

  • Monday, Wednesday, Thursday, Friday

3.05 - 3.45, extra period for the Diploma Programme (DP)