Summary:
Zip code 97330 is home to two public high schools — Corvallis High School and Crescent Valley High School — both serving grades 9–12 within Corvallis School District 509J, a district ranked 11th of 141 in Oregon (92nd percentile, 5 stars). Together they enroll 2,148 students: Corvallis High has 1,273 and Crescent Valley High has 875.
By 2025–26 the two schools are nearly tied in state ranking: Crescent Valley at 54th of 271 and Corvallis at 59th of 271, both at 4 stars and roughly the top 20% of Oregon high schools. That is a striking change from 2024–25, when Crescent Valley ranked 20th of 270 with 5 stars and Corvallis ranked 105th — Corvallis climbed 46 positions, while Crescent Valley slipped 34 from its peak. Crescent Valley has the stronger outcome profile, with a 94.1% graduation rate versus 88.2% and lower chronic absenteeism (34.5% vs. 40.5%). Even so, both schools' absenteeism exceeds the district's 30.2%, with Corvallis 10.3 points above it and Crescent Valley 4.3 points above it.
Test results reveal split strengths. Corvallis leads in English language arts (60.5% vs. 56.3% proficient) and math (34.6% vs. 31.8%), while Crescent Valley leads in science by a wide margin (52.6% vs. 41.6%). Math is the weak point at both — each falls below the district's 43.6% — though both beat the state's 32.9% All Grades figure except Crescent Valley's All Grades math, which is 1.1 points below it, and both clear the state's 22.9% 11th-grade math score. Free/reduced lunch rates (57.97% vs. 58.4%) and student-teacher ratios (23.0 vs. 23.2) are nearly identical, though Crescent Valley spends $1,119 more per student — an association the data cannot show as cause.
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