학교야

it's a school

→ 학교
phrase Rare #25,593
it's a school Casual form of “school is”; the ending 야 is attached to the noun.
KO: 여기는 우리 학교야.
EN: This is our school.

좋은 학교 야

It's a good school.

— 로우 (2017)

여기는 학교 야, 학교 나쁜 데는 아니고

This is a school, and it’s not a bad place...

— Miracle in Cell No. 7 (2013)

네가 다니던 초등학교는 큰 학교 야?

Was the elementary school you went to a big school?

여기가 우리 학교 야.

This is our school.