Summary
Ontario Middle School is a grades 6–8 school in Ontario, Oregon, serving 471 students as part of Ontario School District 8C. It is the largest middle school in its immediate area and serves a high-poverty population, with virtually all students economically disadvantaged. Statewide, it ranks 242nd of 371 Oregon middle schools (35th percentile, 2 stars) — lower-middle overall, but noticeably stronger than its own district, which ranks 118th of 141 (16th percentile, 1 star).
Compared with nearby schools, Ontario Middle trails academically. Nyssa Middle School (10.6 miles away) and Vale Middle School (14.4 miles away) both post higher proficiency in English language arts, math, and science. In 2025–2026, Ontario's all-grade ELA proficiency was 37.1% (vs. 42.9% Nyssa, 50.8% Vale, 43.8% state), math 26.0% (vs. 28.2%, 46.2%, 32.9%), and science 14.1% (vs. 22.2%, 36.4%, 30.6%). Science is the single largest gap. Eighth-grade math is another weak spot at 19.4% proficiency, compared with 30.0% in Nyssa, 50.0% in Vale, and 30.0% statewide. There are bright spots: 7th-grade math (34.8%) edges out the state (33.3%), and 7th-grade ELA is close to state averages.
Chronic absenteeism has improved dramatically, falling from 32.6% in 2022–2023 to 16.0% in 2024–2025 — better than the district (18.7%) and far better than the state (33.5%). School-effectiveness rankings are relatively strong for low-income and migrant students, and for Hispanic students, often landing in the 60th–90th percentile. However, special education students rank in the 6th–10th percentile in recent years, and English Language Learner students around the 20th percentile — clear equity gaps. Ontario spends $22,895 per student, more than both nearby schools, yet its scores remain lower.
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