The Catholic University of Korea operates a multi-campus system in the Seoul Capital Area, with each campus specializing in different academic fields and offering modern facilities. The university has three main campuses: Songsim, Songeui, and Songsin, all located in and around Seoul.

There are around 11010 students in the university.

The Catholic University of Korea (CUK) has specific undergraduate application requirements for international students that focus on academic eligibility, documentation, and language proficiency. Applicants must generally be non-Korean nationals (both the student and their parents) and must have completed or be expected to complete primary and secondary education (equivalent to high school) before admission. The application process involves submitting an online application, followed by required documents such as academic transcripts, graduation certificates, identification documents (passport), and other supporting materials for evaluation. In addition, students must demonstrate language proficiency, typically through Korean language ability (TOPIK level 3 or above) or other accepted criteria depending on the program, as many undergraduate courses are conducted in Korean. The selection process may also include interviews or practical tests, after which successful applicants are announced, required to pay tuition, and then proceed with visa application procedures.

The Catholic University of Korea (CUK) has clear postgraduate (graduate) application requirements for international students, focusing on eligibility, academic qualifications, language proficiency, and documentation. Applicants must qualify as international students, meaning both the applicant and their parents must be non Korean nationals, or the applicant must have completed all prior education outside Korea. For admission, students applying to a master’s or integrated program must hold (or be expected to obtain) a bachelor’s degree, while doctoral applicants must hold (or be expected to obtain) a master’s degree or equivalent qualifications recognized by law. In addition, applicants must demonstrate language proficiency, meeting at least one requirement such as TOPIK level 3 or above, completion of recognized Korean language programs, or submitting valid English proficiency scores (e.g., TOEFL, IELTS, or TEPS) if applying to English-taught programs. The application process typically involves submitting an online application, academic transcripts, degree certificates (or expected graduation proof), passport copies, and other supporting documents, followed by possible interviews or evaluations before final admission.

The Catholic University of Korea (CUK) places strong emphasis on student safety and campus security, ensuring a secure and well-regulated environment across its campuses. The university maintains strict campus rules and student conduct policies that prohibit dangerous behavior, weapons, substance abuse, and any actions that may threaten the safety of others, with immediate disciplinary measures taken if necessary to protect the community.

The Catholic University of Korea (CUK) offers a vibrant and engaging student life that combines academics, extracurricular activities, and community involvement within a supportive campus environment. Students actively participate in a wide range of clubs and organizations, including performing arts, cultural activities, sports, academic groups, service clubs, and religious societies, allowing them to explore interests and build friendships beyond the classroom.

The Catholic University of Korea (CUK) provides a variety of housing accommodation options designed to ensure a safe, comfortable, and community-oriented living environment for both domestic and international students. The university operates six dormitories across its three campuses with the majority located at the Songsim (main) campus accommodating around 2,000 students (about 20% of the student population).

The Catholic University of Korea (CUK) supports campus recruitment through its dedicated Career Support office, offering students personalized career counseling, resume and interview coaching, and guidance on company matching and job strategies. The university organizes workshops, bootcamps, and skill-building programs to prepare students for industry demands, while also coordinating internships and field training with external organizations.