Summary:
Platteville High is the only high school serving grades 9–12 in the Platteville School District in Platteville, Wisconsin, enrolling 479 students in a district rated 4 stars and ranked 75th of 432 Wisconsin districts. Because it is the district's sole high school, its results and the district's high-school results are identical, and there is no other local high school to compare it against. The school has held a 4-star rating in each of the three years of available rank history.
Academically, Platteville High outperforms the Wisconsin state average in every reported test row for both 2024–2025 and 2025–2026. Its strongest showings are in social studies (66.67% proficient on the Forward Exam in 2025–2026 versus 48.25% statewide, a gap of 18.42 percentage points) and mathematics (57.69% on the ACT versus 42.93% statewide, up 14.76 points). English language arts and science also sit above state, though by narrower margins. Year over year, social studies (+9.26 points) and math (+3.30 points) improved, while science (−1.13 points) and English language arts (−7.98 points) slipped. The ELA decline is the largest single change in the data; that subject is now only 0.57 points above the state.
Attendance and completion present a mixed picture. Chronic absenteeism is 15.9%, better than the district's 17.5% and the state's 17.3%, and the graduation rate is 91.2%, equal to the district but slightly below the state's 92.0%. The dropout rate, however, is 2.3%, higher than the district's 1.7% and more than double the state's 1.1%. Contextually, 39.04% of students are eligible for free or reduced lunch, the student-teacher ratio is 15.7, and per-student spending is $15,863. Rank history shows a dip from the 88th percentile in 2023–2024 to the 75th in 2024–2025, recovering to the 78th percentile in 2025–2026.
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