Riverdale School District 51J

Riverdale School District 51J is a small, high-performing Oregon district that serves 565 students across just two schools: Riverdale Grade School, a K–8 school with 406 students, and Riverdale High School, a 9–12 school with 159 students. There is no separate middle school or alternative school. The district ranks #1 of 141 Oregon districts, at the 99th percentile with 5 stars, and both schools carry 5-star ratings and rank in the top 1% of Oregon schools at their grade levels.

Riverdale Grade School is the larger of the two and is consistently strong across grades and subjects. It ranks #5 of 709 Oregon schools, in the 99th percentile, and held similar rankings the previous two years. All-grade proficiency is 85.7% in ELA, 79.6% in math, and 71.4% in science, versus state rates of 43.8%, 32.9%, and 30.6%. Every reported grade-level result beats the state. Standouts include 7th-grade ELA at 93.8%, 8th-grade math at 87.0%, and 5th-grade math at 83.7%. Chronic absenteeism is 12.6%, below the district's 16.2% and well below the state's 33.5%.

Riverdale High School ranks #4 of 271 Oregon high schools, also in the 99th percentile with 5 stars, and posts a 100.0% graduation rate against a state rate of 83.0%. Science proficiency is 87.1% — the highest reported all-grade subject score in the district — and ELA is 83.9%. Math is the outlier at 51.6%, the lowest reported all-grade subject score, though still 18.7 points above the state. Chronic absenteeism is 25.7%, higher than the district's 16.2% but below the state's 33.5%. The high school spends $30,701 per student with a 9.4:1 student-teacher ratio, compared with $19,491 and 16.5:1 at the grade school. Free/reduced-lunch percentages are not reported for either school, so socioeconomic context is unavailable.