Summary:
Rainier Junior/Senior High School is the only high school in Rainier School District 13, serving grades 7–12 to 366 students at 28170 Old Rainier Rd in Rainier, Oregon. Because it is the district's sole high school, its results are the entire high-school picture for the area. Rainier School District 13 ranks 87th of 141 Oregon districts (38th percentile, 2 stars), while the school ranks 140th of 271 high schools in 2025–2026 (48th percentile, 2 stars).
The school's clearest strengths are in science and 8th-grade English. Science is the only all-grades subject where it beats the state: 35.2% proficient versus 30.6%, and it also leads in 8th-grade science (35.6% vs. 27.7%) and 11th-grade science (34.5% vs. 33.8%). Eighth-grade English is a standout at 57.6% proficient against the state's 41.5%, and 11th-grade math is slightly above state (24.1% vs. 22.9%). The challenges are significant, though. The graduation rate is 62.2%, more than 20 points below the state's 83.0%, and chronic absenteeism is 48.6% — nearly half of students — versus 33.5% statewide. Seventh-grade English is far below state at 8.9% versus 45.3%, a striking 48.7-point gap with the school's own 8th graders. Math is the weakest overall subject at 22.9% versus 32.9%, driven by middle grades (7th: 27.3% vs. 33.3%; 8th: 19.0% vs. 30.0%).
Context matters here: 78.96% of students qualify for free or reduced-price lunch, and the school spends $21,636 per student with a student-teacher ratio of 16.6. The school also slipped recently, from 3 stars and the 62nd–66th percentile in the two prior years to 2 stars and the 48th percentile in 2025–2026. In short, families will find genuine bright spots in science and 8th-grade English, plus slightly above-average 11th-grade math and science, but real work remains on graduation, attendance, 7th-grade English, and middle-school math.
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