Summary
Harrison Middle School is a public school serving approximately 820 students in grades 6–8 in Sunnyside, Washington, a community where many families face economic challenges. About 83.05% of students qualified for free or reduced-price lunch in 2024–25. The school ranked in the 11th percentile statewide in 2025–26, or 456th out of 514 schools, while the Sunnyside School District ranked in the 7th percentile statewide. Harrison’s student-teacher ratio was 20.3:1, the highest among the nearby comparison schools.
Academic results show both relative strengths and important needs. In 2025–26, 31.39% of students were proficient in English language arts, 17.51% in math, and 28.63% in science. ELA and science were slightly above the district averages, while math was 2.52 percentage points below the district and 25.60 points below the state. Science was a notable local strength: Harrison outperformed nearby Sierra Vista Middle School, Toppenish Middle School, Granger Middle School, and Grandview Middle School in science. Harrison also exceeded Sierra Vista, Toppenish, and Granger in all three tested subjects. However, math remains the clearest challenge, particularly in sixth and eighth grades.
Compared with stronger nearby schools, Harrison trailed Zillah Middle School, Housel Middle School, and Grandview, especially in math. Grandview is a useful comparison because it has a similar enrollment and free/reduced-price lunch rate but a much stronger math result. Harrison’s ELA and math proficiency declined in the latest year, while science improved. Subgroup effectiveness was especially low for English learners and students receiving special education services, ranking in the 5th and 3rd percentiles, respectively. The data point to priorities including sustained math support, sixth-grade transition help, stronger targeted services, and careful attention to staffing pressure as the school works to reverse its long-term ranking decline.
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