St. Mary’s School of Nursing St. Mary’s School of Nursing / Sacred Heart Institute. (Image: Zenith City Press) 3rd Avenue East & 3rd Street | Architect Unknown | Built: 1895 | Closed: 1973 Current Use: Apartments Story by Tony Dierckins. Originally published on Zenith City Online (2012–2017). Click here for more stories by Tony Dierckins.