Summary:
ZIP code 53168, which covers the Salem, Wisconsin area, is served by a single public high school: Central High, a grades 9–12 campus with 1,309 students that is part of the Westosha Central Union High School School District. Because it is the only high school in the area, there is no cross-school comparison to make — the district's figures for graduation, dropout, absenteeism, and testing are identical to the school's, which indicates Central High is the district's sole or primary high school.
Central High's strongest results are in completion and attendance. In 2024–2025 it posted a 97.5% graduation rate, compared with 92.0% statewide, and a 0.0% dropout rate against the state's 1.1%. Chronic absenteeism was 12.8%, below the state's 17.3%. Academically, in 2025–2026 the school was above the state average in all four reported subjects: Social Studies at 58.86% versus 48.25% statewide (a gap of 10.61 percentage points), Mathematics at 48.18% versus 42.93% (+5.25 points), Science at 44.55% versus 43.20% (+1.35 points), and English Language Arts at 49.39% versus 48.47% (+0.92 points).
Results shifted between 2024–2025 and 2025–2026. Social Studies jumped 12.07 percentage points, moving from slightly below the state to well above it. English Language Arts, Mathematics, and Science declined — Mathematics most sharply, down 10.29 points from a very high prior level — though all three remained above the state average. Central High holds a 3-star rating and ranked 179 of 533 schools (66th percentile) in 2025–2026, after 68th percentile in 2024–2025 and 52nd percentile in 2023–2024. Context: 12.3% of students qualify for free or reduced lunch, per-student spending is $14,273, and the student-teacher ratio is 18.5.
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