Allendale School is located in Lake Villa, IL. It is a private, special education school that serves 270 students in grades 2-12. Allendale School is coed (school has male and female students) and is nonsectarian in orientation. The school belongs to the National Association of Private Special Education Centers.
In 2010, Allendale School had 10 students for every full-time equivalent teacher. The Illinois average is 16 students per full-time equivalent teacher.