This is the 4106th most frequent Korean word.
재학
Enrollment or attendance in school.
In this sentence, '재학' refers to students actively enrolled at the institution.
여기에서 재학 중인 학생들은 성적이 좋습니다.
The students enrolled here have good grades.
Here, '재학' is used to indicate one's period of enrollment in a college.
그는 대학 재학 시절에 많은 경험을 쌓았습니다.
He gained a lot of experience during his college years.
In this usage, '재학 여부' refers to whether a person is currently enrolled.