advanced juvenile training school; special reformatory; juvenile hall for grave offenders
A Japanese correctional institution for juveniles who have committed serious offenses or are considered to need advanced rehabilitative education; a specific legal term under the Juvenile Law.
He was sent to a special reformatory because he committed a serious crime.
At advanced juvenile training schools, more intensive correctional education is provided.
A general juvenile training school; 特別少年院 is a specific type for more serious offenders or those needing advanced programs.
Compound of 特別 (special) + 少年院 (juvenile training school). The term reflects its legal designation under Japan's Juvenile Law.