Summary:
ZIP code 98070 has one listed elementary school, Chautauqua Elementary, serving prekindergarten through fifth grade on Vashon Island. The school enrolls 480 students and is part of the highly rated Vashon Island School District. Because it is the only elementary school in the ZIP code, there are no local school-to-school comparisons; the most useful benchmarks are the district and Washington state averages.
Chautauqua has a strong academic profile. In 2025–2026, proficiency was 65.32% in English Language Arts, 54.67% in math, and 74.67% in science. Each result was above the state average, with the largest advantage in science: nearly 24 percentage points higher than Washington. Science was also slightly above the district average, making it the school’s clearest strength. ELA was more than 12 points above the state, while math was more than 11 points above it. Math was the school’s lowest subject and trailed the district by about 6 points, so it is the clearest area for improvement despite still being stronger than the statewide result.
Performance was generally consistent across grades. ELA ranged from 62.50% in fourth grade to 70.67% in fifth grade, while math ranged from 52.70% in fourth grade to 57.89% in third grade. From the prior year, ELA improved by 3.46 points, science increased by 1.04 points, and math was essentially unchanged. The school’s statewide ranking also improved considerably, moving from the 73rd percentile in 2024–2025 to the 83rd percentile in 2025–2026. Chautauqua reports a 16.7-to-1 student-teacher ratio, 35% free- or reduced-price lunch participation, and $20,520 in per-student spending. Overall, it offers strong results, especially in science, within a high-performing district.
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