Summary:
ZIP code 97914 in Ontario, Oregon, contains just one public high school: Ontario High School, which serves grades 9–12 within Ontario School District 8C and enrolls 709 students. Because it is the only high school in the area, there are no cross-school comparisons to draw; the useful context is how this school compares with its own district and with Oregon statewide. The school reports 100% free/reduced lunch participation, $22,143 in spending per student, and a 17.7:1 student-teacher ratio.
Graduation is the clearest strength: 88.8% of students graduate, above the district's 88.3% and the state's 83.0%. Chronic absenteeism stands at 26.6% — lower than the state's 33.5% but higher than the district's 18.7%, meaning roughly 1 in 4 students is chronically absent. Science proficiency of 19.3% edges above the district's all-grades figure of 17.4%, though it remains below the state's 30.6%.
Academic proficiency is the main concern. Math proficiency is under 5% for all grades and for 11th grade, compared with 32.9% and 22.9% statewide; the district also reports under 5% for 11th-grade math, so the weakness at that grade level extends beyond this campus. ELA is 27.7% for both all grades and 11th grade, versus state figures of 43.8% and 46.0%. Science is 19.3% in both cases, versus 30.6% and 33.8% statewide. The state rank has slipped from the 28th percentile in 2023–2024 to 23rd in 2024–2025 and 14th in 2025–2026, earning 1 star each year; the district ranks 118th of 141, at the 16th percentile with 1 star.
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