Since 1994, Campion School has been affiliated to the Central Board of Secondary Education (CBSE). Besides the compulsory study of English (till 12th grade), Hindi (till 10th grade), General Science (10th), Mathematics (10th), Social Sciences (10th), and a number of other graded subjects like moral education and computers, students from grades 6 to 8 have to choose between Sanskrit and Urdu as a third language. All subjects are compulsory until the 10th grade, after which students have the choice between Maths or Biology Stream.