Summary:
Colby School District in central Wisconsin serves high school students at a single campus: Colby High, which enrolls 306 students in grades 9–12 at 705 N 2nd St in Colby. Because it is the only high school in the Colby School District, there is no other local high school to compare it with — the most useful comparisons are against the district as a whole and against Wisconsin averages. About 51.63% of students qualify for free or reduced-price lunch, per-student spending is $16,148, and the student–teacher ratio is 16.3 to 1.
The strongest numbers for Colby High are its completion measures. In 2024–2025 the graduation rate was 100.0%, matching the district and well above the state's 92.0%, and the dropout rate was 0.0%, compared with 1.1% statewide. Chronic absenteeism was 15.1%, better than the state's 17.3% but noticeably higher than the district's 8.9%, suggesting attendance is more of a challenge at the high school than in the lower grades. Colby High also scored slightly above the district average in every subject reported, so the district's low overall standing is not solely a high-school story.
Academics are the main concern, especially mathematics. On the 10th-grade ACT in 2025–2026, only 8.33% of students were proficient in math, against 42.93% statewide — a gap of roughly 34.6 percentage points — and down from 27.12% the year before. ELA fell from 45.76% to 26.39%, while science came in at 29.17% and social studies, the school's strongest subject, at 30.56% after improving from 16.88%. All remain below state averages. Colby High ranks 458th of 533 Wisconsin high schools, in the 14th percentile with 1 star, while the district sits in the 4th percentile with 0 stars.
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