Chaminade High School, a Roman Catholic boys school, was founded to serve the Catholics of Long Island and has done so for 90 years. Therefore, priority enrollment is accorded to baptized members of the Roman Catholic Church.

Chaminade High School does not discriminate on the basis of race, color, or national or ethnic origin in the administration of its policies including admissions, academics, athletics, school-based activities, tuition and financial aid, or any other school-administered programs.