Calendar
Additional Calendars
- Bell Times Schedule - (school start and dismissal times)
- Religious and Public Holiday Calendar
- Staff Recognition Calendar
- 2025-26 School Calendar
- 2026-27 School Calendar
- 2027-28 School Calendar*(Updated 2/23/26)
(All Mount Si High School athletic calendars are available at: www.kingcoathletics.com)
Mount Si High School Calendar
March 2026
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, March 1
Monday, March 2
Tuesday, March 3
Wednesday, March 4
Thursday, March 5
Friday, March 6
Saturday, March 7
Sunday, March 8
Monday, March 9
Tuesday, March 10
Wednesday, March 11
Thursday, March 12
Friday, March 13
Saturday, March 14
Sunday, March 15
Monday, March 16
Tuesday, March 17
Wednesday, March 18
Thursday, March 19
Friday, March 20
Saturday, March 21
Sunday, March 22
Monday, March 23
Tuesday, March 24
Wednesday, March 25
Thursday, March 26
Subscribe to Calendar Alerts
Snoqualmie Valley School District
Board of Directors Meeting
MSHS Library
Friday, March 27
Saturday, March 28
Sunday, March 29
Monday, March 30
Tuesday, March 31
Wednesday, April 1
Thursday, April 2
Friday, April 3
Subscribe to Calendar Alerts
Mount Si High
MSHS Swingin' For Shelter
-
MSHS North Commons & MSHS PAC
Saturday, April 4
Calendar & Category Legend:
- Mount Si High Mount Si High
- Snoqualmie Valley School District Snoqualmie Valley School District