Summary:
Zip code 83450 in Terreton, Idaho, is served by just one middle school: West Jefferson Middle School, which enrolls 83 students in grades 7–8 and is part of the West Jefferson District. Because there is only one middle school in this area, there are no local schools to compare it against, so the most meaningful context comes from district and state averages.
West Jefferson Middle School currently ranks 173rd out of 174 Idaho middle schools for the 2025–2026 school year, placing it in the bottom 1% with a 0-star rating. This is a steep decline from the 2016–2017 school year, when it ranked 69th out of 131 (47th percentile, 2 stars). Academic proficiency is far below state averages in every subject: math proficiency is 25.3% versus 43.1% statewide, English Language Arts proficiency is 22.1% versus 54.0%, and 8th-grade science proficiency is 18.6% versus 42.9%. The school also lags its own district, where math proficiency is 36.8% and ELA proficiency is 35.4%. One small positive note is that math proficiency ticked up from 22.9% in 2024–2025 to 25.3% in 2025–2026, though it remains critically low.
Chronic absenteeism is a major concern at West Jefferson Middle School, with 18.9% of students chronically absent—more than double the district rate of 9.1% and well above the state rate of 13.8%. The student body is also economically disadvantaged, with 61.45% of students eligible for free or reduced-price lunch, and the student-to-teacher ratio is 14:1. The combination of very low test scores, high absenteeism, and high poverty points to significant challenges, but the school's small size and slight math improvement suggest that targeted interventions in attendance and literacy could make a meaningful difference. Overall, this is a school in urgent need of support, especially in English Language Arts and science, where proficiency levels are strikingly below state averages.
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