Summary
River Ridge Elementary is a public school in SeaTac serving prekindergarten through fifth grade, with 697 students, making it the largest school in this comparison group. It is part of the Kent School District, in an area with substantial economic need: 72.74% of students qualified for free or reduced-price lunch in 2024–25. The school ranked 1,088th of 1,138 Washington elementary schools in 2025–26, placing it in the 4th percentile with 0 stars.
Academic results are well below both district and state averages. In 2025–26, 15.10% of students were proficient in English language arts, 17.22% in math, and 21.62% in science. Results were weak across every tested grade, including fourth-grade ELA at 12.63% and fifth-grade math at 12.96%. Math has shown the clearest improvement, rising from 10.63% proficiency in 2022–23 to 17.22% in 2025–26; science also improved from 7.04% to 21.62%, while ELA has remained nearly flat. Subgroup rankings were near the bottom statewide for most groups, suggesting a broad schoolwide effectiveness concern rather than an issue limited to one grade or subject.
Nearby schools show how widely outcomes vary in the same general area. North Hill Elementary recorded 60.32% ELA, 48.18% math, and 69.88% science proficiency, while Neely O’Brien Elementary School reported 50.21%, 42.74%, and 60.98%, respectively. Both substantially outperformed River Ridge, although their student populations differ. River Ridge also trailed Des Moines Elementary and Star Lake Elementary School, including schools with comparable economic-need levels. Its spending of $19,556 per student was below most nearby comparison schools, making staffing, intervention services, literacy and math support, attendance, and resource allocation important areas for families and school leaders to examine.
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