수업은

as for the class

→ 수업
phrase Rare #20,213
as for the class 수업 means “class” or “lesson,” and 은 marks it as the topic of the sentence. Depending on context, it can simply be translated as “the class.”
KO: 수업은 몇 시에 시작해요?
EN: What time does the class start?

휴랜즈에서 수업은 어때?

How are the classes at Hughlands?

— 햄넷 (2025)

수업은 내일 이잖아, 그치?

The class is tomorrow, right?

— 토니 에드만 (2016)

수업은 끝났습니다

The class is over.

— 마지막 황제 (1987)