Ada Christian School serves 590 students in grades K-8 and approximately 115 students in the preschool programs. The majority of the students live in the Forest Hills School District, with other students coming to ACS from districts of Lowell, Grand Rapids, East Grand Rapids, Northview, Rockford and Caledonia.

ACS employs 35 teachers. All classroom teachers are certified by the state of Michigan, and approximately 30% have advanced degrees. In addition, ten paraprofessionals assist students.

There are three classroom sections in each grade from kindergarten through eighth grade. Class sizes vary from 18 students - 26 students in each class.