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Mercer Island High School

The Community

Mercer Island, an island community located in the south end of Lake Washington, is linked to Seattle, a metropolitan city of approximately 724,000, by a floating bridge (I-90). The city of Mercer Island is primarily a residential area for approximately 26,000 people, most of whom are employed in professional and managerial positions in business and industry in Seattle and the surrounding areas.

THe High School

Mercer Island High School

Mercer Island High School (MIHS) is a comprehensive four-year public high school and includes Crest Learning Center – an alternative high school program. Local private and parochial school students also matriculate at Mercer Island High School. There are approximately 1,548 students attending the high school. There are 404 seniors in the Class of 2023. On time graduation rate is 95%. The ethnic breakdown of the student population is 20% Asian, 0.8% African American, 66.6% Caucasian, 3.5% Hispanic/Latino, 0.1% Native Hawaiian/Pacific Islander, and 8.7% Multiracial. The full and part-time classroom educational staff totals 103.


Our purpose is to provide students with challenging educational activities and experiences that encourage students to reach their individual potential.


Click here for the FUll MIHS Profile 23-24

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