noun
Kōtō Special Needs School (older name style)
Refers to an older-style upper secondary special needs school; the term is now largely replaced by 特別支援学校高等部.
彼は高等養護学校を卒業して、就職した。
He graduated from a Kōtō Special Needs School and got a job.
Modern term for special needs schools, which replaced the older 養護学校 system.
Compound of 高等 (higher) + 養護 (nurturing/protective care) + 学校 (school). The term reflects the older classification of special needs education in Japan.