The Colby, WI educational system consists of 3 public schools, 1 private schools and n/a post-secondary schools. Colby public schools have average test scores of 38% which is 18% lower than than the Wisconsin average and 22% lower than than the national average. The student to teach ratio of Colby public schools is 15:1, compared to 14:1 in Wisconsin and 16:1 across all of the United States. A total of 80.5% of students have completed 8th grade, 75.5% have completed high school, 9.0% have completed a bachelor’s degree and 1.9% have completed a doctorate degree.