Cardinal Mooney High School’s Mission and Programs Since 1959, Cardinal Mooney Catholic High School has been serving Sarasota, Manatee, and Charlotte counties as the only Catholic high school in the area.  We strive to embrace the whole person while recognizing their unique talents and strengths. Cardinal Mooney is a thriving and growing Catholic high school with approximately 680 students in grades 9-12. Our college preparatory curriculum challenges our students to pursue academic excellence.   The mission of Cardinal Mooney Catholic High School is to be a Christ-centered college preparatory institution that prepares students to serve and lead by nurturing spiritual growth, cultivating the talents of all students, and challenging