Summary:
ZIP code 53806 is home to a single public high school, Cassville High, located in the small rural community of Cassville, Wisconsin. It serves grades 7–12 and enrolls just 79 students, so it functions as a combined middle and high school. It is part of Cassville School District, which is ranked 134th of 432 districts in Wisconsin, placing it at the 69th percentile with 3 stars.
Cassville High has several notable strengths. Its 2024–2025 graduation rate is 100.0%, compared with 92.0% statewide, and its dropout rate is 0.0%, compared with 1.1% statewide. The school also has a very low student-teacher ratio of 6.8:1 and high per-student spending of $24,098. In 2025–2026, results improved in most Forward Exam subjects. Standouts include 8th grade social studies at 88.89% proficient versus 64.63% statewide, 8th grade science at 66.67% versus 51.86%, ACT English Language Arts in 10th grade at 58.82% versus 48.47%, 7th grade ELA at 64.29% versus 55.33%, 7th grade math at 61.54% versus 55.67%, and 8th grade math at 55.56% versus 53.67%.
There are also areas to watch. Chronic absenteeism is 26.3%, above the district's 19.5% and the state's 17.3%. The latest school rank is 304th of 533 schools, at the 43rd percentile with 2 stars, down from 63rd percentile with 3 stars the prior year. Some 2025–2026 results fall below state averages: 8th grade ELA at 44.44% versus 54.38%, 10th grade social studies at 35.71% versus 48.25%, ACT math at 35.29% versus 42.93%, and ACT science at 35.29% versus 43.20%. Because enrollment is so small, a single student can shift a grade-level percentage sharply, so year-to-year changes should be read with caution.
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