Summary
High School of Health Sciences is a small public high school in Wales, Wisconsin, serving grades 9–12 with 176 students, part of the Kettle Moraine School District (ranked 68th of 432 districts statewide). Despite its small size, it is one of the top-performing high schools in Wisconsin: it ranked #1 of 533 high schools statewide in 2025–2026 (100th percentile, 5 stars), and has never fallen below the 96th percentile in the years of data available, including #1 finishes in 2022–2023 and 2023–2024.
In 2025–2026, 10th-grade proficiency was extremely high across every subject: 91.49% in math, 89.36% in English language arts, 88.64% in social studies, and 87.23% in science — roughly 40–49 percentage points above state averages. Graduation has been near-perfect, including 100.0% in 2024–2025, with dropout rates at 0.0% in most recent years and just 0.5% in 2023–2024. Chronic absenteeism, once as high as 19.0% in 2021–2022, fell to 5.3% in 2023–2024 and 6.4% in 2024–2025, now below district and state rates. The school spends $13,418 per student with a 20.3:1 student-teacher ratio, and only 6.25% of students qualify for free/reduced lunch.
Compared with neighbors, the school stands out even among strong peers. Against Kettle Moraine High, the district's largest high school, it leads by 21.8 points in social studies, 17.3 in ELA, 25.8 in math, and 23.7 in science. Against School for Arts and Performance, math is far higher (91.49% vs 36.00%), and against Arrowhead High it leads all four subjects. One caveat: with only 176 students, percentages can swing based on a handful of students.
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