From the record
“The Vessey School, on County Road 859 in Harding County, South Dakota, near Haley, North Dakota, was built around 1920. It was listed on the National Register of Historic Places in 1987.”
Wikipedia article Vessey School, CC BY-SA 4.0.
One of 13 National Register listings published here for Harding County · listed in 1987 · category: Building · built in 1920.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service