This is the 4745th most frequent Korean word.
경찰행정학과
Department of Police Administration.
Here, '경찰행정학과' is used as the subject of the sentence introducing it as a field of study.
경찰행정학과는 경찰 관련 제도를 연구하는 학문입니다.
Police Administration Studies is an academic discipline that researches the systems related to police.
In this sentence, '경찰행정학과' refers to the specific department one intends to apply to.
나는 경찰행정학과에 지원할 계획이야.
I plan to apply to the Police Administration Studies department.
Here, '경찰행정학과' indicates the academic program that the students are enrolled in.