• Welcome to the

    Snoqualmie Valley

    School District


    All SVSD schools are closed for Mid-Winter Break, February 18-22.  We look forward to seeing students again on Monday February 25.


    Tonight's (Friday) Basketball Playoff Game has been POSTPONED due to inclement weather and unsafe road conditions. Mount Si High School's varsity boys basketball team (ranked #4) will play Richland HS (ranked #5) to determine which team advances to the "Elite 8" 4A state play-offs.

    UPDATE: The play-off game has been rescheduled for Saturday, February 23, at Issaquah High School at 4 p.m. 

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Contact Us

  • Main Campus:


    Phone: 425.831.8100
    Attendance: 425.831.8200
    Counseling: 425.831.8150
    Athletics: 425.831.8103
    Hours: 7:00 - 3:30 p.m.

    Freshman Campus:


    Phone: 425.831.8450
    Attendance: 425.831.8450
    Counseling: 425.831.8475
    Hours: 7:00 - 3:30 p.m.
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Welcome to MSHS

  • Mount Si High School is the sole comprehensive high school in the Snoqualmie Valley School District, serving approximately 1,900 students in grades 9-12. Opening in 1945, Mount Si High School offers a safe, positive learning environment with a comprehensive program to inspire learning and challenge students as they prepare for college and 21st Century careers. Students have access to rigorous college preparatory curriculum, exceptional career technical education programs, and a rich array of elective classes and extracurricular activities to expand their skills and interests.

School Profile

  • MSHS 2017-18 School Profile