Summary:
High Schools in the North Fond du Lac School District serve grades 9–12 in North Fond du Lac, Wisconsin, and the area is home to a single high school: Horace Mann High, which enrolls 453 students.
Because Horace Mann High is the only high school in the North Fond du Lac School District, there are no other schools to compare it with. Its strongest results come outside of test scores: the graduation rate was 95.2% in 2024–2025, above the state rate of 92.0%, and chronic absenteeism was 15.3%, below the state rate of 17.3% though above the district rate of 10.7%. The dropout rate was 1.5%, slightly above both the district's 0.9% and the state's 1.1%. Academic results are the weaker area. In 2025–2026, Social Studies proficiency was 44.12% versus 48.25% statewide, and ACT results were far behind the state in English Language Arts (23.23% vs. 48.47%), Mathematics (17.17% vs. 42.93%), and Science (24.24% vs. 43.20%).
Two trends are worth watching. Social Studies rose sharply from 17.02% in 2024–2025 to 44.12% in 2025–2026, a gain of 27.10 percentage points, bringing the school within about 4 points of the state, though the earlier year was very low. Meanwhile ACT ELA, Mathematics, and Science all declined year over year. Statewide, the district is ranked 396th out of 432 with 0 stars, and the school's own rank history shows percentiles of 21, 8, and 16 over the past three years, landing it in the bottom fifth of ranked Wisconsin high schools. For context, 43.71% of students qualify for free or reduced lunch, per-student spending is $14,155, and the student-teacher ratio is 14.5:1.
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