National Cathedral School (NCS) is an independent Episcopal private day school for girls located on the grounds of the Washington National Cathedral in Washington, D.C. Founded by Phoebe Apperson Hearst and Bishop Henry Yates Satterlee in 1900, NCS is the oldest of the institutions constituting the Protestant Episcopal Cathedral Foundation.
NCS has about 560 students in grades 4 through 12. Its mascot is the eagle. Its brother school, St. Albans, and the elementary school, Beauvoir, are also located on the 57-acre (230,000 m2) Cathedral Close in Northwest Washington near the Washington National Cathedral. Kathleen O’Neill Jamieson is the Head of School.