 Facing declining enrollment and financial difficulties, in 1988, the Archdiocese of Miami, the Superior General of the Marianists and the School Sisters of Notre Dame agreed to merge Chaminade High School and Madonna Academy.In August 1988, Chaminade-Madonna College Preparatory was established as a coed high school.Longtime Chaminade High School teacher, counselor, and administrator, Robert Minnaugh, was named principal and charged with forming a new vision.