Summary
Gilmanton High is a public high school serving grades 9–12 at S889 Larson Rd in rural Gilmanton, WI, and with just 39 students it is the sole high school in the Gilmanton School District and the smallest high school in its regional group.
With about 9–11 students per grade, Gilmanton High is far smaller than nearby schools such as Anthony Acres School (48 students) and Durand Middle/High (537). It spends $31,439 per pupil in 2024–25, roughly double the per-student spending of most neighbors, and has a student–teacher ratio of 6.7, the lowest in the comparison group. Yet in 2025–2026 it ranked 409th of 533 Wisconsin high schools (23rd percentile, 1 star), second from the bottom among the ten local schools, above only Arcadia High. By contrast, the Gilmanton School District ranks 220th of 432 districts (49th percentile, 2 stars), the highest district ranking in that group, suggesting the lower grades are carrying the district’s standing while the high school lags. Recent rankings have drifted downward: 79th percentile in 2018–2019, 57th in 2022–2023, and 23rd in 2025–2026, though year-to-year swings are heavily affected by tiny cohorts.
Completion outcomes are strong: Gilmanton High has posted a 100% graduation rate in four of the last five years and a 0.0% dropout rate in all five years on record. Achievement is mixed: 10th-grade social studies proficiency was 54.55% in 2025–2026, above the state’s 48.25%, but ACT English was 0%, ACT math 11.11%, and ACT science 33.33%, below the state in most cases. In nearby comparisons, Mondovi High posted higher ACT English, math, and science results while spending about half as much per pupil. Because these results come from cohorts of roughly 7–12 students, one student can shift a percentage by 8–14 points. Free/reduced lunch eligibility was 48.72% in 2024–2025, the second-highest rate among comparison schools. Chronic absenteeism fell to 15.8% in 2024–2025, better than the state’s 17.3% but above the district’s 11.0%. The bottom line: a very small, very well-resourced school that reliably graduates students, with recent achievement weaker than the state and many neighbors and results dominated by small-cohort volatility.
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