Mater Dei School Inc is located in Bethesda, MD. It is a private school that serves 227 students in grades 1-8. Mater Dei School Inc is all-male and is Roman Catholic in orientation. The school belongs to the National Association of Independent Schools.
In 2010, Mater Dei School Inc had 14 students for every full-time equivalent teacher. The Maryland average is 15 students per full-time equivalent teacher.