Follow @MaryvaleLions to stay up-to-date on events and the latest news at Maryvale! Welcome to the official page of Maryvale Preparatory School, where you can stay connected. Maryvale Preparatory School, a Catholic independent girls’ school serving grades six through twelve, affiliated with the Sisters of Notre Dame de Namur, provides an environment in which each student can reach her academic, spiritual, physical and civic potential in a loving, supportive and diverse community. Building on its unique and special heritage, Maryvale’s mission is to provide an exceptional education that responds to change and prepares young women for life. Inspired by the Hallmarks of the Sisters of Notre Dame de Namur, Maryvale Preparatory School is dedicated to building and advancing a respectful and compassionate culture that embraces diversity, equity, justice and inclusion.