About Mercer Island School District
Mercer Island School District is a public school system serving King County, Washington, based in Mercer Island. It serves 3,993 students across 6 schools spanning PreK–12, and is classified as a suburb: large district. By enrollment it is the #70 largest of Washington’s 324 school systems.
Size and structure
Mercer Island School District enrolls 3,993 students in 6 schools — an average of about 666 students per school. It serves grades PreK–12 and ranks #70 of 324 statewide by enrollment.
Who the district serves
Student race and ethnicity in Mercer Island School District, from the NCES Common Core of Data (3,993 students reported):
For economically-disadvantaged, English-learner, and special-education shares, plus school-by-school detail, see the federal sources in the full-data section.
Teachers & staff
Mercer Island School District employs about 222 full-time-equivalent teachers for a student–teacher ratio of 18.0:1 — above the Washington average of about 17.9:1. Total district staff is roughly 432.
Counselor and librarian/media counts are not published at the district level in the current NCES release; see the federal full-data links for staffing detail.
How Washington funds schools
District-level per-pupil spending and the local/state/federal revenue split for Mercer Island School District are published in the federal school-finance files — see the full-data links below for the current figures.
Report card & state results
Washington publishes the Washington State Report Card, reporting assessment results, graduation, growth, discipline and per-pupil finances, with schools identified for support through the Washington School Improvement Framework. Look up Mercer Island School District on the Washington State Report Card.
Accreditation status
Washington does not require accreditation of its public districts; the State Board of Education approves schools against basic-education standards, while accreditation is voluntary through Cognia or an Educational Service District. Look up Mercer Island School District in the free Cognia registry.
Mercer Island School District vs. Washington
See every Washington district side by side in the Washington directory.
Look up Mercer Island School District’s full data
These official sources carry the district-level detail — finances, discipline, equity, test scores, boundaries. Direct links for this district (via its NCES ID):