Summary
Mabton Junior Senior High is a small school serving 359 students in grades 7–12 in Mabton, Washington, an area where families face significant economic challenges. About 92.76% of students qualified for free or reduced-price lunch in 2024–25, the highest share among the nearby traditional high schools compared. The school’s district, Mabton School District, ranked 232nd of 238 Washington districts, while the school ranked 367th of 396 statewide in the latest results. These rankings indicate that Mabton faces substantial academic challenges, but they do not tell the whole story.
Graduation is a clear strength. Mabton’s 2024–25 graduation rate was 91.0%, above Washington’s 82.6% and higher than Granger High School, Grandview High School, and Sunnyside High School, though below Prosser High School and Zillah High School. Graduation has exceeded the state rate in four of the five reported years. By contrast, 2025–26 proficiency was 25.69% in English language arts, 11.19% in math, and 16.00% in science—well below state averages. Results have improved steadily since 2022–23, but math and science remain the most urgent academic needs. Middle-school results are especially weak, while the 8th-grade math result was suppressed by the state and is unknown.
The school has a student-teacher ratio of 18.1, lower than the nearby traditional schools listed, and spending was relatively high at $21,091 per student. Those resources could support small-group instruction, tutoring, and early academic intervention. Mabton’s strongest subgroup result was for migrant students, who ranked 9th of 32 statewide, suggesting that some of the school’s support systems may be especially effective for those students. Overall, the picture is mixed: Mabton appears better at helping students remain enrolled and graduate than at producing strong test scores. Families may want to ask how the school is maintaining its graduation supports while addressing foundational math, science, middle-school literacy, and the large gap between graduation success and assessment performance.
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