Summary:
Wales, Wisconsin has six schools—one PK–5 elementary and five high schools, including one serving grades 6–12—all in the Kettle Moraine School District, which ranks 68th of 432 Wisconsin districts and enrolls 1,598 students. Performance is strong overall but extremely uneven from school to school.
High School of Health Sciences is the clear flagship: ranked #1 of 533 in 2025–26, with 100% graduation, 0% dropout, 6.4% chronic absenteeism, and 87–91% proficiency in all four subjects, achieved with lower spending than several peers. KM Global School is also top-tier, ranking in the top 5% with 100% graduation and 1.4% chronic absenteeism, though its science and social studies scores are below district averages. Wales Elementary has earned 5 stars every year and posts standout upper-grade results, including 87.5% proficient in 5th grade math, while serving the highest free/reduced lunch rate in the list. Kettle Moraine High is the largest school, with 96.1% graduation and 13.5% chronic absenteeism—the highest locally but still below the state’s 17.3%.
School for Arts and Performance shows volatility: its math proficiency fell to 36% in 2025–26 from 68.97% the prior year, even as ELA remained strong at 84%. KM Connect is a tiny, mixed outlier—35 students, ranked #423 of 533, 1 star—with ACT scores of 20–30% but also 100% graduation, 0% dropout, and 0% chronic absenteeism. Resource metrics do not line up neatly with outcomes, and missing data should be treated as unknown rather than zero. Every school is below the state chronic absenteeism rate, but school size and specialized missions matter enormously when comparing these results.
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