School Overview
Mount Si High School, located in the scenic Snoqualmie Valley, serves as the primary comprehensive high school for the Snoqualmie Valley School District. The school is known for its modern, expansive campus facilities, which were recently rebuilt to accommodate a growing student population. It offers a diverse academic environment that emphasizes college and career readiness, providing a wide array of Advanced Placement (AP) courses, rigorous core curriculum, and specialized career and technical education (CTE) programs.

Beyond academics, Mount Si is widely recognized for its robust extracurricular culture, boasting highly competitive athletic programs and an acclaimed performing arts department. The school places a strong emphasis on community involvement and school spirit, often serving as a focal point for the broader Snoqualmie community. With a focus on both individual student growth and academic achievement, the school strives to prepare its students for success in higher education and the global workforce.
2,152
Total Students
101.3
Full-Time Teachers
21.2
Student/Teacher Ratio
13.2%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for Mount Si High School
Demographic Student Count
White1,519
Hispanic231
Black23
Asian190
Two or More156
American Indian15
Pacific Islander7
  • White
    1,519 (70.9%)
  • Hispanic
    231 (10.8%)
  • Asian
    190 (8.9%)
  • Two or More
    156 (7.3%)
  • Black
    23 (1.1%)
  • American Indian
    15 (0.7%)
  • Pacific Islander
    7 (0.3%)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: Supplemental Virtual
Shared Time Status: N/A
District: Snoqualmie Valley School District
Phone: (425)831-8100
Grade Range: 9th - 12th
Total Students: 2,152
Full-Time Teachers (FTE): 101.3
Pupil/Teacher Ratio: 21.2
NSLP Participation:1 Yes participating without using any Provision or the CEO
Qualified Free Lunch: 216
Qualified Reduced Lunch: 67
Grades Taught
Grade 9 539
Grade 10 577
Grade 11 514
Grade 12 522

Grades Taught Data Table

Grades Taught and Student Counts for Mount Si High School
Grade Student Count
Grade 9539
Grade 10577
Grade 11514
Grade 12522
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for Mount Si High School
Gender Student Count Percentage
Female99046%
Male1,15153.5%
Not Specified110.5%