St. Mary's Ryken is a Catholic, coeducational college preparatory high school, operated under the Xaverian Brothers' sponsorship, committed to academic excellence and to individualized student growth in faith, moral probity, physical health, social demeanor, and responsible citizenship.

St. Mary's Ryken is a private, coeducational, Catholic secondary school sponsored by the Xaverian Brothers. As a college preparatory school, St. Mary's Ryken admits students of varying abilities who seek the benefits of a Catholic education and provides them with a program of studies challenging their intellectual abilities. We acknowledge students' varying learning styles and promote the creative use of every student's talents. As a Catholic and Xaverian institution, St. Mary's Ryken holds as a value a commitment on the part of its students to be of service to their fellow human beings.

At graduation, the St. Mary's Ryken student is a young adult who is well-educated, prepared for college, and committed to Christian service.

St. Mary's Ryken is fully accredited by the Middle States Association of Colleges and Secondary Schools, the Archdiocese of Washington and the Maryland State Department of Education.