Mercer Island School District

District Overview
Located at 4160 86th Ave SE in Mercer Island, Washington, the Mercer Island School District is a fully operational regular public school system serving a thriving, large suburban community within the greater Seattle-Tacoma-Bellevue metropolitan area. Operating six active schools, the non-charter district delivers a continuous educational pathway spanning from pre-kindergarten through 12th grade. Families, students, and community members can readily connect with the district administration online at mercerislandschools.org or by phone at (206) 236-3300, reflecting a well-established educational system dedicated to nurturing learners at every stage of early childhood and secondary development.

The district supports a student body of nearly 4,000 enrolled learners—3,993 in total—ranging from early learning programs to high school graduation. This student community reflects a rich tapestry of backgrounds, including 1,923 White, 1,115 Asian, 577 multiracial, and 295 Hispanic students, alongside Black, Native American, and Pacific Islander representation. To ensure academic rigor and holistic student care, the district maintains a robust professional team totaling over 864 full-time equivalent (FTE) staff members. This includes approximately 444 FTE teachers, 39 FTE instructional aides, and 381 FTE dedicated support personnel, providing a strong staff-to-student ratio and robust institutional capacity for educational research, student achievement, and community engagement.
6
Total Schools
3,993
Total Students
444.0
Full-Time Teachers
9.0
Student/Teacher Ratio
Demographics

District Demographics Data Table

Student Demographics for Mercer Island School District
Demographic Student Count
White1,923
Hispanic295
Black47
Asian1,115
Two or More577
American Indian4
Pacific Islander6
  • White
    1,923 (48.5%)
  • Asian
    1,115 (28.1%)
  • Two or More
    577 (14.5%)
  • Hispanic
    295 (7.4%)
  • Black
    47 (1.2%)
  • Pacific Islander
    6 (0.2%)
  • American Indian
    4 (0.1%)
School Levels

School Levels Data Table

School Levels in Mercer Island School District
School LevelSchool Count
Elementary4
Middle1
High1
Other0
School Map
District Details
Status:Open
District type:Regular public school district that is not a component of a supervisory union
Charter:Not a charter district
Number of schools:6
Students:3,993*
Teachers (FTE):444.0*
Pupil/Teacher Ratio:9.0
Schools in Mercer Island School District
Found 6 Schools