개학
Said in 3 Korean podcast lines.
즉 겨울방학이 끝나고 개학을 한다는 거죠
So it means the winter vacation is over and school is starting again.

KoreanBuddyKjinImprove Your Korean 025 한국에는 세 번째 새해가 있다!? Korea Has a Third New Year: What Koreans Decide in March
개학 혹은 개혁 때문에 말이 많잖아요.
There's a lot of talk because of the reopening of schools or reforms.

벙커1 특강463_물뚝심송의 '어쩌다 한국은' feat.마사오, 이정렬 2부
2월 중순에 봄방학이 시작되고 3월에 개학하는 학교도 있어요.
Spring break starts in mid-February, and some schools begin the new term in March.

KoreanBuddyKjinImprove Your Korean 025 한국에는 세 번째 새해가 있다!? Korea Has a Third New Year: What Koreans Decide in March
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Korean books and courses on Amazon (affiliate link).