Harmony Hill High School was a Catholic girls boarding school in Watertown, South Dakota. It was built in 1967 and operated as a high school until 1974.[1] From 1972 to 1995 the building was used for adult education. The building was demolished in 1997 to build the current Mother of God Monastery.
44°52′05″N 97°07′03″W / 44.86803°N 97.11749°W