National Register Listing

Sioux City Central High School and Central Annex (Boundary Increase)

a.k.a. Castle on the Hill; Vocational and Gymnasium Building

1212 Nebraska & 1121 Jackson Sts., Sioux City, IA
Local significance of the building:
Architecture; Education

Listed in National Register of Historic Places in 2016.

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.