Spencerville is an unincorporated community in northern Choctaw County, Oklahoma. It is 12 miles northeast of Hugo, Oklahoma, adjacent to the Pushmataha County border.Spencerville, named for U.S. Secretary of War John C. Spencer, was home to Spencer Academy, a Choctaw Nation boarding school for boys. It was founded in 1844. It was here that Negro freedman "Uncle" Wallace Willis composed “Swing Low, Sweet Chariot”.