Mount Si High School
#21
Best ACT in Washington High Schools
2,081
Students
20.2:1
S:T Ratio
School Snapshot
Key metrics at a glance1,270
A-
29
A
27
A+
20%
C
20:1
B-
96%
A+
90%
A+
58%
B
This Week at Mount Si – June 3, 2026
274 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Mount Si High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Mount Si High School.
National Tests
June 5, 2026
ACT
June 6, 2026
SAT — National
June 8, 2026
ACT Photo Upload/Standby Deadline
June 13, 2026
ACT — National
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
State Assessments
March 2, 2026 – June 26, 2026
Smarter Balanced Assessment
School Milestones
June 2, 2026 – June 17, 2026
Graduation
June 4, 2026
School End/Summer Start
June 17, 2026
School End/Summer Start
After Mount Si High
Where graduates go and what they studyUniversity of Washington
Washington State University
Western Washington University
Central Washington University
Oregon State University
Boise State University
University of Oregon
Montana State University
Business
Psychology
Computer Science
Biology
Nursing
Marketing
Pre-Medicine Studies
Political Science and Government
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8651 Meadowbrook Way Se, Snoqualmie, WA 98065
(425)831-8100
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Snoqualmie Valley School District