About Marymount High School Marymount is an Independent, Catholic all-girls high school that fosters confidence, joy, leadership, and a sense of greater purpose in each student. Education of the whole girl is one of the most important pillars upon which the academic and co-curricular programs are built. The school celebrates the individuality of each student, empowering girls to become their best selves academically, emotionally and socially. Established in 1923 by the Religious of the Sacred Heart of Mary (RSHM), Marymount High School shares the tradition of an international network of schools including sister schools in New York, Europe, and South America. Job Summary:  The ideal Long Term Substitute Religious Studies candidate will be an inte