Summary:
ZIP code 53813, which covers Lancaster, Wisconsin, has one public elementary school in this dataset: Winskill Elementary, a PK–5 school with 435 students that is part of the Lancaster Community School District.
Winskill is a high-performing school by the numbers. It earned 4 stars in each of the three reported rank-history years and placed 285th of 1,039 schools in 2025–2026 (73rd percentile), 143rd of 1,044 in 2024–2025 (86th percentile), and 216th of 1,061 in 2023–2024 (80th percentile). Its district ranked 111th of 432 districts, in the 74th percentile with 4 stars. Winskill scored above the Wisconsin state proficiency rate in every reported test comparison for both 2024–2025 and 2025–2026. Fifth grade is the clearest standout: in 2025–2026, 82.14% of 5th graders were proficient in English Language Arts and 87.50% in Mathematics, compared with state rates of 53.63% and 51.81%. Fourth grade math and science were lower than the prior year (math from 75.44% to 56.16%; science from 71.93% to 60.27%) but still above state — and since these are different grade-level cohorts, that is not the same students declining.
Chronic absenteeism is a major strength: 5.2% in 2024–2025, versus 12.4% for the district and 17.3% for the state. Winskill also reported 38.62% free/reduced lunch participation, $16,804 in per-student spending, and an 11.7 student-teacher ratio. Families in this ZIP have one represented public elementary option, and on the available metrics it looks strong relative to state benchmarks.
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