Summary:
Corvallis School District 509J serves two public high schools — Corvallis High School (1,273 students) and Crescent Valley High School (875 students) — both covering grades 9–12, for a combined enrollment of 2,148. The broader Corvallis School District 509J is ranked 11th of 141 Oregon districts, at the 92nd percentile with a five-star district rating. Both high schools earned four stars in 2025–26, placing them well above state averages in most reported measures.
The two schools have clearly different academic strengths. Corvallis High leads in English language arts (60.5% vs. 56.3%) and math (34.6% vs. 31.8%). Crescent Valley leads decisively in science at 52.6% vs. 41.6% — the largest subject gap between them, an 11.0-point difference. Crescent Valley also has the stronger completion and engagement profile: a 94.1% graduation rate versus 88.2%, and chronic absenteeism of 34.5% versus 40.5%. Both schools sit above the district graduation rate of 90.4%? No — only Crescent Valley does; Corvallis High is slightly below it, though both exceed the state's 83.0%.
Rank trajectories have converged sharply. In 2024–25 Crescent Valley ranked 20th of 270 while Corvallis High ranked 105th; in 2025–26 they stand 54th and 59th of 271 — only five ranks apart. Corvallis High climbed 46 ranks year over year, moving from three stars to four, while Crescent Valley slipped from five stars to four. Resources do not map neatly onto results: Crescent Valley spends $1,119 more per student ($20,662 vs. $19,543) with nearly identical student-teacher ratios (23.2 vs. 23.0) and similar free/reduced lunch rates (58.4% vs. 57.97%). The clearest shared challenge is chronic absenteeism — 40.5% at Corvallis High and 34.5% at Crescent Valley, both above the district's 30.2% and, for Corvallis High, above the state's 33.5%. High-school math is another pressure point: the district's all-grades rate is 43.6%, while neither high school reaches that level, though both top the 11th-grade state math rate of 22.9%.
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