Holy Cross Catholic School is a PreK-8 School in Marine City, Michigan. It is part of Our Lady on the River Parish and is connected to the Holy Cross Church building. Many students later go to Cardinal Mooney College Preparatory High School which is right next door. Cardinal Mooney and Holy Cross share a cafeteria, gym, and rec area. The two schools share the only PreK-12th campus in the area. Providing education from age three through graduation at one location.