Clifford Johnson School is located in Warrenville, IL and is one of 13 elementary schools in Cusd 200. It is a public school that serves 512 students in grades K-5. See Clifford Johnson School's test results
to learn more about school performance.
In 2011, Clifford Johnson School had 14 students for every full-time equivalent teacher. The Illinois average is 16 students per full-time equivalent teacher.