Andrean High School is located in Merrillville, IN. It is a private school that serves 622 students in grades 9-12. Andrean High School is coed (school has male and female students) and is Roman Catholic in orientation. The school belongs to the Other school association(s).
In 2010, Andrean High School had 12 students for every full-time equivalent teacher. The Indiana average is 18 students per full-time equivalent teacher.