女子 じょし高等 こうとう学校 がっこうであれば
joshikōtōgakkōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 女子高等学校

1. If it is a girls' high school; Assuming it is a girls' high school; When it is a girls' high school

Ba Conditional