Dictionary/校内こうないKounai校内 (Kounai) is a Japanese noun meaning “within a school”.Meaningsnoun, adjectival nounwithin a schoolKanji in 校内校exam内insideRelated words内inside内within ...学校school区内in a ward内科internal medicine高校senior high school内容contents校長principal小学校primary school案内guidance内緒secrecyその内before very long