Wabash County Public Schools. There are 14 public schools in Wabash County, Indiana, serving 5,325 students. Wabash County, IN public schools have a diversity scoreThe chance that two students selected at random would be members of a different ethnic group. Scored from 0 to 1, a diversity score closer to 1 indicates a more diverse student body. of 0.11, which is lower than the Indiana average of 0.27.