Adelphi Christian Academy is located in Billings, MT. It is a private, montessori school that serves 104 students in grades K-12. Adelphi Christian Academy is coed (school has male and female students) and is Christian (no specific denomination) in orientation.
In 2008, Adelphi Christian Academy had 10 students for every full-time equivalent teacher. The Montana average is 14 students per full-time equivalent teacher.