- a school providing therapy and vocational training for delinquent boys in the United Kingdom and parts of the Commonwealth in the 20th century and continuing to operate in India and some other Commonwealth nations in the 21st century.
- (formerly in Britain) an informal name for an establishment in which offenders aged 15 to 21 could be detained for corrective training. Since the Criminal Justice Act 1982, they have been replaced by youth custody centres (now known as young offender institutions)
- (formerly) a similar establishment in Australia and New Zealand