商しょう業ぎょう学がっ校こうしょうぎょうがっこうじ字FuriganaMeanings1nouncommercial schoolhistorical termHistorical term for a pre-WWII secondary school focused on business and commerce; replaced by 商業高等学校 in the modern system.祖そ父ふは戦せん前ぜんに商しょう業ぎょう学がっ校こうを卒そつ業ぎょうした