Summary:
Jefferson High is the only high school in the Jefferson School District, serving grades 9–12 with 603 students at 700 W Milwaukee St in Jefferson, Wisconsin. Because it is the district's sole high school, families should judge it against state averages and its own past results rather than against local peers.
The school's latest results are its strongest in three years. In 2025–26, Jefferson High scored above the state in all four reported subjects: Social Studies at 59.23% proficient versus the state's 48.25%, Science at 49.11% versus 43.20%, Mathematics at 46.43% versus 42.93%, and English Language Arts at 49.11% versus 48.47%. The turnaround is striking. In 2024–25, only Social Studies was above the state, while Math (33.79%), Science (37.24%), and ELA (43.45%) all trailed. Year over year, Math rose 12.64 percentage points and Science 11.87 points, far more than the small state-level shifts, pointing to school-specific improvement. The school's rank rebounded from 285th of 431, 34th percentile, 2 stars in 2024–25 to 163rd of 533, 69th percentile, 3 stars in 2025–26.
Graduation and dropout figures are also strong: a 95.8% graduation rate against the state's 92.0%, and a 0.8% dropout rate against 1.1%. Chronic absenteeism is the main watch item, at 17.1% — essentially the state's 17.3% but slightly above the district's 16.3%. Additional context: about 35% of students qualify for free/reduced lunch, per-student spending is $16,791, and the student-teacher ratio is 13.9:1. The narrowest margin over the state is ELA, where the +0.64 point edge is less secure than the Math and Science results.
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