Best Middle Schools in Zip Code 98239

ZIP code 98239 has one listed middle school, Coupeville Middle School, serving grades 6–8. With 158 students, it offers a small-school setting in the Coupeville area, and it is part of the highly ranked Coupeville School District.

Coupeville Middle School shows its strongest results in English language arts and science. In 2025–2026, 61.84% of students were proficient in ELA, about 9 percentage points above Washington’s average, while 63.01% were proficient in science, about 12 points above the state. ELA performance improved from sixth to eighth grade, reaching 67.12% in eighth grade. Eighth-grade science was also strong at 63.01%. These results are generally close to district performance, although the school trailed the district by about three points in both ELA and science.

Math is the school’s clearest area for improvement. Overall math proficiency was 40.79%, slightly below the state average and 7.47 points below the district. Eighth-grade math was especially weak at 32.88%, compared with 49.30% in seventh grade, even though eighth graders performed well in ELA and science. Math also declined slightly year over year, while science increased nearly eight points. The school’s ranking improved from the previous year, rising from the 69th to the 73rd percentile and returning to a four-star rating, though it remains below its 2023–2024 standing. Families may also note the 15.6-to-1 student-teacher ratio, 37.34% free or reduced-price lunch participation, and $17,729 in per-student spending.