Eastern High School is a public high school in Washington, D.C. The school is located in the Hill East neighborhood at the intersection of 17th Street and East Capitol Street NE. Eastern was a part of the District of Columbia Public Schools restructuring and modernization project, reopening in 2011 to incoming first-year students and growing by a grade level each year. It graduated its first class in 2015. In addition, Eastern was designated an International Baccalaureate school in 2013 and awarded its first IB diploma in 2015.

Eastern is part of the District of Columbia Public Schools. It was founded in 1890 as the Capitol Hill High School. It was later relocated and rebuilt in the Collegiate Gothic style and renamed Eastern Senior High School. It is one of the oldest continuously operating high schools in the District of Columbia. The campus is listed on the National Register of Historic Places.