Summary
Potosi High is a small rural public high school in Potosi, Wisconsin, serving grades 9–12 with 107 students, and it is the high school of the Potosi School District. In 2025–26 it ranked 103rd of 533 Wisconsin high schools — the 81st percentile, or 4 stars — placing it in the top fifth of the state. Its history is uneven: the school sat in the bottom quartile in 2015–16 and 2021–22, then jumped to the top quartile in 2022–23, 2023–24 and 2025–26, with a dip to the 67th percentile in 2024–25.
Among nearby schools, Cuba City High is the one clear academic peer and outperformer, ranking 39th of 533 (93rd percentile, 5 stars). Potosi is generally ahead of Belmont High, Benton High, Southwestern Wisconsin High, Cassville High, Platteville High and Lancaster High in the current overall ranking. Graduation and dropout results are exceptional: 100% graduation for three straight reported years, 2022–23 through 2024–25, and 0.0% dropout in each of the last five reported years, well above Wisconsin's roughly 92% rate. In 2025–26 10th-grade testing, Potosi posted 75% proficiency in ACT ELA and 75% in ACT math — both the highest among nearby schools and far above state rates of 48.47% and 42.93%. Science was 56.25%, above the state's 43.20% but behind Cuba City (70.15%). Social studies is the weak spot: 38.89%, below the state's 48.25% and second-lowest nearby, down from 77.27% in 2023–24.
Potosi is also resource-intensive, spending $21,579 per student with an 8.9-to-1 student-teacher ratio — only Cassville spends more, and only Cassville and Benton have smaller classes. Chronic absenteeism was 17.0% in 2024–25, about the state average of 17.3% but higher than Cuba City (8.8%), Benton (11.5%), Southwestern (14.3%) and Platteville (15.9%). Effectiveness rankings are stronger for female students (83rd percentile) than for male students (77th), and for students from lower-income families the school has ranged from the 99th percentile in 2023–24 to the 68th in 2025–26. With only 107 students, year-to-year swings are expected, so any single year's results are best read with that in mind.
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