Young offender institution
Type of British prison for juvenile offenders
Young offender institutions (YOI; more formally His Majesty's Young Offenders Institutions or HMYOI; Welsh: Sefydliad Troseddwyr Ifanc Ei Mawrhydi) are youth detention centres for offenders between ages 15 to 21 in Great Britain. These offenders will have received a custodial sentence following criminal offence convictions or may be being held...