Mercer Island School District

Education Administration ProgramsWashington, United States201-500 Employees

Mercer Island School District is a public K-12 district serving Mercer Island, a six-square-mile island community in Puget Sound connected to Seattle and Bellevue. The district educates about 4,000 students across one high school (including an alternative program), one middle school, and four elementary schools, supported by a staff described as several hundred. It is part of the Puget Sound Educational Service District, a regional network serving King and Pierce counties. The district has a track record of high academic achievement, with test scores frequently among the state’s best and a graduation rate exceeding 95 percent. Its location near higher education institutions such as the University of Washington and Seattle University provides additional postsecondary access for students.

Community engagement plays a central role in the district’s operations. The Mercer Island Schools Foundation, established in 1981, works with the district and its PTAs to support teaching positions and instructional initiatives, reflecting sustained community involvement in district programs. In 2026 the district announced leadership changes at Islander Middle School, signaling ongoing development of school programs. Overall, the district combines a strong academic program with active community support to serve students on Mercer Island.

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