Summary:
ZIP code 98239 has one listed elementary school, Coupeville Elementary School, serving students from prekindergarten through fifth grade in the Coupeville community. The school enrolls 492 students and has an 18.9-to-1 student-teacher ratio. It is part of the highly rated Coupeville School District, which ranks 22nd out of 238 Washington districts and is in the 91st percentile statewide.
Coupeville Elementary is performing well compared with Washington averages. In 2025–2026, proficiency was 63.9% in English Language Arts, 55.19% in math, and 69.23% in science, exceeding state results in all three subjects. Science is the school’s strongest area and showed the largest improvement, rising nearly 14 percentage points from the prior year. Math also improved by about 3 points, while ELA remained essentially steady. Compared with the district, the school was slightly lower in ELA but higher in math and science. Its overall ranking also improved, moving from the 69th to the 75th percentile and from three stars to four stars.
Performance varies by grade, making grade-level results important for families to consider. Fourth- and fifth-grade ELA results were especially strong, with proficiency above 72%, while third-grade ELA was 46.67%, slightly below the state average. Math showed a similar pattern: fourth grade was strongest at 62.3%, fifth grade was above the state average, and third grade was nearly equal to the state. Fifth-grade science was also strong at 69.23%, well above the statewide rate. Overall, Coupeville Elementary offers consistently above-state academic results, with particular strengths in upper-grade ELA, math, and science; third-grade achievement is the clearest area for continued attention.
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