When to use classroom in Korean
Korean: 교실[ gyo-sil ]

When to use it
A classroom is a room in a school where students learn with a teacher. In Korean, this is called 교실. You can use this word when talking about studying, lessons, or finding your room at school.
Example sentences
저는 지금 교실에 있어요.
I am in the classroom now.
아이들이 교실에서 공부해요.
The children study in the classroom.
선생님이 교실에 들어와요.
The teacher comes into the classroom.
수업 후에 교실을 청소해요.
We clean the classroom after class.
교실이 어디예요?
Where is the classroom?
교실에서 쓸 연필을 샀어요.
I bought pencils to use in the classroom.