Historic District H

Historic District H, also known as the Missouri Training School for Boys District, is a national historic district located at Boonville, Cooper County, Missouri. It encompasses 15 contributing buildings associated with the Missouri Training School for Boys, a state juvenile detention facility. The district includes representative examples of Late Victorian style architecture. Notable buildings include the Administration Building (1890), Superintendent's Residence (1910-1917), Dining Hall (1890s), Commissary (1910-1917), and Barn (1890s, 1931).

It was listed on the National Register of Historic Places in 1983.