Last updated: 16 January 2026
STC
Secure Training Centre - a type of secure accommodation for children aged 12-17 who have been sentenced or remanded by the courts. Smaller than YOIs, with higher staff ratios and an emphasis on education.
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YOI (Young Offender Institution)
A type of prison for young people aged 18-21. Some also hold 15-17 year olds in specific units.