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Mount Si Students Selected for WIBC Honor Bands
Mount Si students earned spots in the Western International Band Clinic Honor Bands, joining top musicians from across the country for a weekend of rehearsals and performances.
Honoring our Community Veterans
Wildcats are so thankful for the service of our community Veterans.
Wildcats Take the Next Step
Congratulations to our Wildcats who officially committed to compete at the collegiate level during Signing Day celebrations at Mount Si High School.
MSHS Students Earn National Merit Scholarship Program Honors
Mount Si High School celebrates 15 seniors recognized in the 2026 National Merit Scholarship Program for their outstanding academic achievement.
Girls Soccer won the State Championship!
News & Announcements
![School Calendar Survey]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1764889419/svsd410org/oyiws49dbunhu7x2wzmp/2.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1764889419/svsd410org/oyiws49dbunhu7x2wzmp/2.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1764889419/svsd410org/oyiws49dbunhu7x2wzmp/2.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1764889419/svsd410org/oyiws49dbunhu7x2wzmp/2.png","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1764889419/svsd410org/oyiws49dbunhu7x2wzmp/2.png","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1764889419/svsd410org/oyiws49dbunhu7x2wzmp/2.png","width":2200}])
This survey is designed to gather input as the District considers school calendar options for the 2027-28 school year and future years. Before any changes are made, we would like to hear from staff and families about their preferences for the start and end of the school year, as well as the length and timing of breaks.
![Senior Portraits Deadline is 12/5]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1763063468/svsd410org/liun0wphndxgnkgnlbti/Title800x800px.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1763063468/svsd410org/liun0wphndxgnkgnlbti/Title800x800px.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1763063468/svsd410org/liun0wphndxgnkgnlbti/Title800x800px.jpg","width":800}])
Seniors must submit their Yearbook Portraits by December 5- don't delay!
![Senior Photo Information / Class of 2026 - Deadline Dec. 5]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1750194922/svsd410org/jcnwwrsm3spt0vo2zd98/YearbookPhotosSnip.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1750194922/svsd410org/jcnwwrsm3spt0vo2zd98/YearbookPhotosSnip.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1750194922/svsd410org/jcnwwrsm3spt0vo2zd98/YearbookPhotosSnip.png","width":729}])
![Creativity speaks loud in the brand new MSHS Student Voice]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1764888936/svsd410org/gy2ed4h6dxpsvthqumln/DecemberIssueAnnouncement.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1764888936/svsd410org/gy2ed4h6dxpsvthqumln/DecemberIssueAnnouncement.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1764888936/svsd410org/gy2ed4h6dxpsvthqumln/DecemberIssueAnnouncement.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1764888936/svsd410org/gy2ed4h6dxpsvthqumln/DecemberIssueAnnouncement.png","width":1080}])
Wildcats are amplifying their voices through art and literature- check it out!
![Our Award-Winning Schools & District]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1759356645/svsd410org/qvaificlrxzgxgotjuou/Screenshot2025-09-24164257.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1759356645/svsd410org/qvaificlrxzgxgotjuou/Screenshot2025-09-24164257.jpg","width":260}])
Congratulations to Mount Si High School which was named on the 2025 Best High Schools list by U.S. News & World Report! Plus, SchoolDigger rated SVSD 5th in Washington State.
Upcoming Events
all day
Early Learning Center
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MSHS North Commons & MSHS PAC
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Main Gym
MSHS Library
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Choir Room
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MSHS PAC Classrooms
By The Numbers
2,088
Students Enrolled
97%
Graduation Rate
2019
New Campus Opened
156
Teachers