Mercer Island High School has 1,521 learners in grade levels 9-12.

Mercer Island High School placed in the upper 1% of all schools in Washington for cumulative test scores (math proficiency is upper 5%, and reading proficiency is upper 1%) for the 2020-21 school year.

The percentage of learners achieving proficiency in math is 86% (which is higher than the Washington state average of 51%) for the 2020-21 school year. The percentage of learners achieving proficiency in reading/language arts is 95% (which is higher than the Washington state average of 61%) for the 2020-21 school year.

The learner:teacher ratio of 20:1 is higher than the Washington state average of 18:1.

Minority enrollment is 30% of the learner body (majority Asian), which is lower than the Washington state average of 46% (majority Latino).

School Overview: Mercer Island High School’s learner population of 1,521 learners has stayed flat over five school years.

The teacher population of 76 teachers has grown by 5% over five school years.

School Comparison: Mercer Island High School is ranked within the upper 1% of all 2,039 schools in Washington (based off of cumulative math and reading proficiency testing data) for the 2020-21 school year.

The equity score of Mercer Island High School is 0.47, which is less than the equity score at state average of 0.64. The school’s equity has stayed flat over five school years.

Nearby Public Schools: The closest high school to Mercer Island High School is Newport Senior High School (2.2 miles away)

The closest middle school is Islander Middle School (2.3 miles away)

The closest elementary school is Northwood Elementary School (0.3 miles away)