Cardinal Ritter High School home of the Raiders is a private school located in Indianapolis, Indiana. Cardinal Ritter High School is part of the Roman Catholic Archdiocese of Indianapolis and has approximately 650 students and 24 varsity sports. Cardinal Ritter is a Catholic high school entrusted by the Archdiocese of Indianapolis and the parishes of the West Deanery to provide, within a college preparatory curriculum, the highest standards of academic excellence to students of diverse socioeconomic, racial and religious backgrounds.