Chaddock is located in Quincy, IL. It is a private, special education school that serves 60 students in grades 2-12. Chaddock is coed (school has male and female students) and is nonsectarian in orientation. The school belongs to the Other school association(s).
In 2010, Chaddock had 5 students for every full-time equivalent teacher. The Illinois average is 16 students per full-time equivalent teacher.