WA
Regular School
High School
Mount Si High School
Compare
(425) 831-8100
Student Enrollment & Staffing Overview
NCES 2024-2025Total Students
2,152
Teachers (FTE)
101.4
Student-Teacher Ratio
21.2:1
FRPL Eligible
283
(13.2%)
National School Lunch Program (FRPL) Eligibility
Total Eligible: 283 of 2,152 (13.2%)
Free Lunch: 216 (10%)
Reduced-Price: 67 (3.1%)
Paid / Not Eligible: 1,869 (86.8%)
Multi-Year Enrollment Trends & Growth (2020-2021 – 2024-2025)
Student Diversity Distribution
Demographic composition of enrolled students across racial & ethnic backgrounds.
2,141
Students
| White | 1,519 | 70.9% | |
| Hispanic / Latino | 231 | 10.8% | |
| Asian | 190 | 8.9% | |
| Two or More Races (Multiracial) | 156 | 7.3% | |
| Black or African American | 23 | 1.1% | |
| American Indian / Alaska Native | 15 | 0.7% | |
| Native Hawaiian / Pacific Islander | 7 | 0.3% |
Grade-Level Enrollment Distribution
Distribution of student body across reported grade cohorts.
2,152
Students
| Grade 10 | 577 | 26.8% | |
| Grade 11 | 514 | 23.9% | |
| Grade 12 | 522 | 24.3% | |
| Grade 9 | 539 | 25% |
Student Gender Distribution
Reported enrollment counts by gender cohort.
M
53.8%
Male Students
1,151
F
46.2%
Female Students
990