The document discusses the training school system for incarcerating youth in the 19th century and its modern incarnations. It describes the key components of traditional training schools, including living spaces, security, education, and parole. However, it notes that in practice training schools often had poor rehabilitation services, custodial orientations, high violence due to gang subcultures, and antagonism between staff and youth. The document concludes that the future of the training school system may involve downsizing, redesign, or even abolition.