Mount Si High School serves 1,840 learners in grade levels 9-12.

Mount Si High School landed in the upper 10% of all schools in Washington for cumulative test scores (math proficiency (mastery) is upper 20%, and reading proficiency (mastery) is upper 5%) for the 2020-21 school year.

The percentage of learners achieving proficiency (mastery) in math is 67% (which is higher than the Washington state average of 51%) for the 2020-21 school year. The percentage of learners achieving proficiency (mastery) in reading/language arts is 88% (which is higher than the Washington state average of 61%) for the 2020-21 school year.

The learner: teacher ratio of 24:1 is higher than the Washington state level of 18:1.

Minority enrollment is 17% of the learner body (majority Latino), which is lower than the Washington state average of 46% (majority Latino).

School Overview: Mount Si High School’s learner population of 1,840 learners has stayed flat over five school years.

The teacher population of 77 teachers has declined by 8% over five school years.

School Comparison: Mount Si High School is ranked within the upper 10% of all 2,039 schools in Washington (based on combined math and reading proficiency (mastery) testing data) for the 2020-21 school year.

The equity score of Mount Si High School is 0.31, which is less than the equity score at the state average of 0.64. The school’s equity has stayed flat over five school years.

Nearby Public Schools: The closest high school and middle school to Mount Si High School in Snoqualmie Access (0.7 miles away)

The closest elementary school is Snoqualmie Elementary School (0.4 miles away)