The Colby, KS educational system consists of 3 public schools, 2 private schools and 1 post-secondary schools. Colby public schools have average test scores of 28% which is 26% lower than than the Kansas average and 43% lower than than the national average. The student to teach ratio of Colby public schools is 14:1, compared to 14:1 in Kansas and 16:1 across all of the United States. A total of 89.6% of students have completed 8th grade, 89.0% have completed high school, 25.7% have completed a bachelor’s degree and 2.2% have completed a doctorate degree.