noun
reform school; juvenile reformatory
A facility for the education and rehabilitation of juvenile delinquents under the former Juvenile Law; replaced by 児童自立支援施設 in 1998.
彼は非行を繰り返したため、教護院に送られた。
He was sent to a reform school because of repeated delinquency.
教護院は現在、児童自立支援
Reform schools are now called children's self-reliance support facilities.
Compound of 教 (education), 護 (protection), and 院 (institution). The term was officially used from 1948 until the 1998 revision of the Juvenile Law.