Meanings
Usage patterns
教室に入るto enter the classroom
The students quietly entered the classroom.
〈物〉教室に通うto attend a ... class/lesson regularly
My daughter goes to a cooking class once a week.
教室で〈事〉をするto do something in the classroom
I took the exam in the classroom.
教室を開くto open or start a class or teaching establishment
She opened a piano school at her house.
教室を出るto leave the classroom
When the bell rang, the students left the classroom.