noun
Historical term for a secondary school for girls in Japan before the post-WWII educational reforms. Often abbreviated as 高女 (こうじょ).
祖母は高等女学校を卒業した。
My grandmother graduated from a girls' high school (pre-WWII).
高等女学校は戦後の学制改革で新制高等学校に変わった。
Girls' high schools were converted into new-system high schools after the post-war educational reforms.