中高 ちゅうこう一貫 いっかん こうだったら
chūkō i' kankōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 中高一貫校

1. If/when it were a junior/senior high school combined ; If/when it were a combined middle and high school

Tara Conditional