Summary:
Colby, Wisconsin has one public high school in this data set — Colby High, which serves grades 9–12 and enrolls 306 students at 705 N 2nd St. It is the only high school in the Colby School District, so there are no other city high schools to compare it with; the most useful comparisons are between Colby High, its district, and Wisconsin averages.
Colby High's completion and attendance numbers are a clear strength. Its graduation rate was 100.0% in 2024–2025, above the state's 92.0%, and its dropout rate was 0.0%, below the state's 1.1%. Chronic absenteeism was 15.1%, better than Wisconsin's 17.3% but higher than the district's 8.9%. The school's statewide ranking improved from the 6th percentile in 2023–2024 to the 14th percentile in 2025–2026 (458 of 533 schools, 1 star), while the district ranks at the 4th percentile with 0 stars.
Academic proficiency is the bigger concern. In 2025–2026, only 8.33% of students were proficient in Mathematics, compared with 42.93% statewide, and English Language Arts fell from 45.76% to 26.39%. Science declined slightly, and Social Studies improved to 30.56% but remains well below the state. Colby High scores slightly above its district in every reported subject, suggesting a district-wide pattern rather than an isolated school issue. For context, more than half of students (51.63%) qualify for free/reduced lunch, per-student spending is $16,148, and the student-teacher ratio is 16.3 to 1.
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