The Chattanooga, TN educational system consists of 48 public schools, 29 private schools and 10 post-secondary schools. Chattanooga public schools have average test scores of 46% which is 12% lower than than the Tennessee average and 6% lower than than the national average. The student to teach ratio of Chattanooga public schools is n/a, compared to n/a in Tennessee and 16:1 across all of the United States. A total of 82.8% of students have completed 8th grade, 81.3% have completed high school, 27.8% have completed a bachelor’s degree and 2.9% have completed a doctorate degree.