noun
regular school; mainstream school
Refers to a standard school that follows the ordinary national curriculum, as opposed to special-needs schools or vocational schools.
彼は普通学校に通っている。
He attends a regular school.
特別支援学校ではなく、普通学校で学びたい。
I want to study at a mainstream school, not a special-needs school.
Compound of 普通 (regular, ordinary) and 学校 (school). The term is used in educational contexts to distinguish standard schools from specialized institutions.