Mount Si High School is the comprehensive high school of the Snoqualmie Valley School District, serving about 2,172 students in grades 9–12 across the Snoqualmie–North Bend valley east of Seattle. The school is consistently ranked among Washington's top high schools — currently 19th of 438 by U.S. News.
Academic outcomes are standout: 89.8% SBA ELA and 58.5% SBA Math proficiency in 2024–25, well above district and state averages, with a 95.5% four-year graduation rate and a 1.4% dropout rate. The boys' basketball team won the WIAA 4A state championship in 2024 — going 25-0 in state competition (27-2 overall) — defeating Richland 72-58 in the title game. Mount Si is the #30-ranked WA school by PolarisList HPM placements.
Source: WA ERDC Graduate Outcomes.
Open this school on the live map