DeMatha Catholic High School home of the Stags is a private school located in Hyattsville, Maryland. DeMatha Catholic High School is part of the Roman Catholic Archdiocese of Washington with approximately 955 students and 16 varsity sports. DeMatha Catholic High School is a college preparatory institution dedicated to educating young men in the Trinitarian tradition. DeMatha’s historic and ongoing mission is to serve students of differing abilities, interests, and backgrounds from the culturally rich and diverse greater Washington Metropolitan area.