Summary
Jefferson High is a 9–12 public school with about 603 students in Jefferson, Wisconsin, a small city in Jefferson County, and it is part of the Jefferson School District. The high school is currently performing above its district's overall standing: the district ranks 174th of 432 Wisconsin districts (60th percentile), while Jefferson High ranked 163rd of 533 high schools in 2025–2026 (69th percentile, 3 stars). Its 2024–2025 graduation rate was 95.8%, above the state's 92.0%, with a dropout rate of 0.8%; 34.99% of students qualify for free or reduced lunch, and per-student spending was $16,791.
Academically, Jefferson High was above the state average in every tested subject in 2025–2026. Social studies is the standout: 10th graders scored 59.23% proficiency versus 48.25% statewide, the highest among regular comprehensive nearby high schools. Math (46.43% vs 42.93%) and science (49.11% vs 43.20%) were also comfortably above state, while English language arts (49.11% vs 48.47%) was only slightly ahead. That marks a sharp turnaround from 2022–2023, when Jefferson's ACT proficiency was far below state in all three subjects; the school's rank climbed from the 20th percentile that year to the 69th percentile in 2025–2026. Lake Mills High and Cambridge High remain ahead on ACT subjects, though Jefferson generally outpaces Watertown High, Whitewater High, and Fort Atkinson High on test scores.
Attendance is the clearest operational concern: chronic absenteeism was 17.1% in 2024–2025, close to the state's 17.3% but well above Fort Atkinson High (8.8%), Lake Mills High (10.2%), and Whitewater High (11.4%). Graduation is solid but not top of the nearby group, with Watertown High, Whitewater High, and Deerfield High posting higher rates. On subgroup effectiveness, special education students (75th percentile) and low-income students (59th percentile) rank well statewide, while other groups trail. Class sizes are moderate, with a 13.9 student-teacher ratio.
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