noun which may take the genitive case particle 'no', noun
off-campus; outside the school/university
Refers to anything outside the school or university, including locations, activities, and people not affiliated with the institution. Often used as a no-adjective.
学外の施設を利用するには許可が必要だ。
You need permission to use off-campus facilities.
彼は学外の研究者
He is conducting joint research with researchers outside the university.