The Union High School building is located in Black River Falls, Wisconsin. History The building was used as a high school until 1897. Since then, it was used as an elementary school and currently for elderly housing. It was listed on the National Register of Historic Places in 1978 and on the State Register of Historic Places in 1989. References School buildings on the National Register of Historic Places in Wisconsin Residential buildings on the National Register of Historic Places in Wisconsin National Register of Historic Places in Jackson County, Wisconsin Public high schools in Wisconsin Public elementary schools in Wisconsin Schools in Jackson County, Wisconsin Defunct schools in Wisconsin Housing for the elderly in the United States Second Empire architecture in Wisconsin Brick buildings and structures School buildings completed in 1871 1871 establishments in Wisconsin