Best Public Schools in Issaquah, WA

Issaquah, Washington, is served by 13 schools in the Issaquah School District, including six elementary schools, four middle schools, two high schools, and one alternative school serving approximately 8,533 students across elementary, middle, and high school grades. The district ranks 3rd among 238 Washington districts, and most schools perform well above state averages.

The strongest elementary schools are Endeavour Elementary School, Grand Ridge Elementary, and Discovery Elementary, all ranked in Washington’s top 30. Grand Ridge has the highest reported elementary math proficiency at 90.32%, while Endeavour and Discovery also post exceptionally strong results in ELA, math, and science. Among middle schools, Beaver Lake Middle School is the clear leader, ranking 4th statewide and exceeding 80% proficiency in all three subjects. Pacific Cascade Middle School and Cougar Mountain Middle School are also high-performing options.

Issaquah High School stands out among the high schools with 84.92% ELA proficiency, 72.38% math proficiency, a 94.9% graduation rate, and a 1.3% dropout rate. Gibson Ek High School has strong ELA results but a much lower math proficiency rate of 45.24%, and its alternative model makes direct comparisons less straightforward. Relative improvement priorities include Issaquah Middle School, Clark Elementary, Issaquah Valley Elementary, and Challenger Elementary, although each still exceeds Washington averages in key subjects. Suppressed scores indicate unavailable data, not necessarily weak performance.