We'd like to make an announcement of 2025 Winter Semester information as below. KAIST is running course registration system based on the randomly selected method for seasonal semesters as well as regular semesters. Also, students on a leave of absence will be able to apply for summer/winter semester courses as an auditing student, so please refer to it.

                                                 = Below =

<2025 Winter Semester Schedule>

 ※ Beginning of Winter 2025 classes : 2025.12.22(Mon) / End of Winter 2025 classes : 2026.01.30(Fri)

1. Winter Semester Course registration 

A. Course lists : 

* Portal (https://portal.kaist.ac.kr) → Academic Affairs → Classes → View All Offered Courses

* Course Registration System (https://sugang.kaist.ac.kr) → View All Offered Courses

B. Eligible applicants and credits for the Winter semester

 1) Eligibility for application : Enrolled students(except for students expected to graduate in February 2026) and students on an academic leave of absence(as an auditing student)

 2) Number of credits

- Enrolled students : 9 credits, no limit on the number of courses 

 ※ A maximum of 9 credits (including research credits and AU) is allowed (applicable to undergraduate, master's and Ph.D. program students).

- Students on an academic leave of absence : 6 credits limiting the number of courses to 2 courses

 ※ A maximum of 6 credits (including research credits and AU) is allowed per seasonal semester (max. 2 courses per semester (6 credits), max. 3 courses throughout the degree program (9 credits).

 ※ Guidelines for Summer/Winter Semester Course Registration Open to Students on a Leave of Absence

 → Since 2021 summer semester, students on a leave of absence will be able to apply for summer/winter semester courses.

 → Students on a leave of absence may apply for summer/winter semester courses as an auditing student. Procedures and tuition fees are the same as those for enrolled students. 

 → For students on a leave of absence, auditing is allowed only for summer/winter semester courses. A student can apply for up to 2 courses per semester(6 credits) and up to 3 summer/winter courses throughout their degree program(9 credits)

 → Students should apply for credit recognition for credits earned by auditing summer/winter semester courses before the end of their final semester. (Students cannot apply for credit recognition while on a leave of absence)

C. Course registration : Randomly selected system

1) Period : 2025. 11. 24(Mon) 12:30 ~ 11. 27(Thu) 23:59【4 days】

From 12:30 to before 23:59 on November 24(Mon) (Open enrollment without ceilings for all the courses)

 ※ November 25(Tue) : No registration is possible and random selection is processed.

 ※ Randomly selected students list for the courses will be announced before 12:00, November 26(Wed)

 → Students will be randomly selected for the courses that exceed their enrollment ceilings; Randomly selected students list for the courses will be announced. (on portal)

 → Courses of students who are not selected will be automatically deleted on their system.

From 12:30 on November 26(Wed) to before 23:59 on November 27(Thu)

(Students may register for the remaining courses on a first-come first-serve basis)

2) System opening hours

From 12:30 to before 23:59 on November 24(Mon)

From 12:30 on November 26(Wed) to before 23:59 on November 27(Thu)

(Students may register for the remaining courses on a first-come first-serve basis)

3) Course registration : Course Registration System (https://sugang.kaist.ac.kr) 

 ※ You can also click on the "Course Registration" shortcut available on the portal.

4) Procedure : ①Honor Code → ②Check the class lists on Web → ③Register for classes on Web

※ Log on to Course Registration System(https://sugang.kaist.ac.kr)

① [Honor Code Pledge] : At the main page of Course Registration System, online signature is available on pledge to enhance sense of ethics and responsibility (*Consent is required once every semester from 10 days before the start date of course registration to the end of course add/drop period/ Effective from 2021 Fall semester).

② [Portal → Academic Affairs → Classes → View All Offered Courses] or [Course Registration System → View All Offered Courses]

③ Course Registration System → 'Course Registration' Click → 'Add' Click

※ Check Course Operation Method: View All Offered Courses → Course Name → Check ‘Remarks’ and ‘Lecture Type’

5) Matters to be attended while registering

 ① Students must apply for courses during the given period only.

 ② Students included in the randomly selected list (of the courses exceed their enrollment ceilings) cannot cancel the courses during the registration period.(However, during the Add/drop period, students may change or cancel their classes.)

 ③ Course Registration System requires a portal access (with PORTAL ID)

(For issues related to the account: Portal → My Page (top right icon) → My Info Settings → Personal Information Settings)

 ④ When students apply for course retakes through the [Academic], students must obtain the course professor’s approval online.

 -  Online course retake approval period(Course Registration menu): Course registration period and no later than 23:59 on three days(12/19) before the end of the course add/drop period. Please be aware that if you fail to obtain approval by the deadline, your retake course registration will be cancelled automatically.

 - Online course retake approval period(exception menu): Course registration period and no later than 23:59 on Two days(12/22) before the end of the course add/drop period. Please be aware that if you fail to obtain approval by the deadline, your retake course registration will be canceled automatically.

 * When the online course retake application has been denied by the course professor or automatically canceled due to non-approval within the deadline: Students are requested to submit the ‘Course Add/Drop Application’ form signed by course instructor to the KCB Academic & Student Affairs Team (through this email address) during the course add/drop period.

⑤  For students on a leave of absence who wish to apply for summer/winter semester courses.

 → Students on a leave of absence may apply for summer/winter semester courses as an auditing student. Procedures and tuition fees are the same as those for enrolled students.

 → Students should apply for credit recognition of credits earned from audited summer/winter semester courses before the end of their final semester.(Students cannot apply for credit recognition while on a leave of absence)

⑥  Additional function to make ‘Wish List’ for desired courses: By adding a "wish" button in the list of courses offered at course registration menu, students can make and save a course wish list. The saved wish list will be displayed at the top of the list when viewing the offered courses (Note that courses in the wish list are not officially registered).

⑦  Students who are expected to graduate this February cannot register for seasonal semester.(Except for the students who meet graduation requirements by taking special seasonal semester courses)

 ⑧ Due to the use of the new course code, you can apply for Special Topic courses with different subtitles during the course registration period. (Note: If the subtitle code is not assigned to the grade of an existing special Topic course, you must first complete the subtitle code application through the [Academic Affairs] > [Grades] > [Apply for Subtitle Code] menu.)

 ⑨ Retaking a special lecture course is only permitted if the subtitle and subtitle code are exactly the same. For courses taken prior to Fall Semester 2024 that did not have subtitle codes assigned, students must consult with the department and obtain the appropriate subtitle code before applying for retake

2. Payment for regular and Retake Winter courses 

A. Student who needs to pay : 

※ Graduate students: 

- Tuition fees are waived for graduate-level courses. However, if you register for an undergraduate course or any cross-listed 40000-level course (open to both undergraduate and graduate students), the full tuition fee must be paid.

- For retake courses, retake fees must be paid

B. Payment period : 2025. 12. 26(Fri.) 12:00 ~ 2026. 1. 2(Fri) 23:55

C. Amount

* Payment for regular courses : 50,000 won per credit / AU

* Payment for retake courses : 50,000 won per credit / AU 

D. Payment method :  Log-on to Portal (https://portal.kaist.ac.kr) → Access ’Academic’ → Academic Affairs → Registration → Breakdown of Fee Payment Details → Confirm Year/Semester setting and click ’Lookup’ of the Notice of Payment → Select bill type, then click ‘Bill Print’ → Confirm the Virtual Account Number/Amount and pay for it.

※ Students can retrieve the Notice of Payment from 2025. 12. 26(Fri.), 12:00(pm).

E. Processing of students who did not pay for tuition fee : If tuition fees are not paid within a designated period, the course shall be canceled. (Marked "W" on their transcript)

3. Winter Semester Course Add/Drop 

 A. Course Add/ Drop Period : 2025. 12. 17(Wed) 9:30 ~ 12. 24(Wed) 23:59

 ※ Even if you didn't register for any courses in the initial registration period, you can still apply now (within the enrollment limit). However, please note that course registration will not be possible after the Add/Drop deadline, so be sure to adhere to the schedule. 

B. Opening hours of course registration system

[Graduate] From 09:30 on the first day to before 23:59 on the last day of each course add/drop period

 → Course Add/Drop available all time during the period

C. Procedure : Course Registration System (https://sugang.kaist.ac.kr)  → 'Add new classes or drop/change classes at ‘Course Registration’ or ‘Course Registration(Exceptions)’ Menu. 

1) ‘Course Registration’menu : Select Course → Add Courses with ‘Add’ button or Drop the courses with ‘Delete’ button

2) ‘Course Registration (Exceptions)’menu : Select Course → Select Application Type & Reason for Application → Click Request

※ If the approval of the course professor is required, such as courses exceeding enrollment limit, use the Course Registration(Exception) menu.

※‘Course registration(exception) menu’ will be closed on Dec. 22 2025, which is two days before the course Add/Drop period ends. Any applications that remain unapproved until two days before the end of the course Add/Drop period will be automatically canceled. Students must take necessary measures before the deadline.

※ Once ‘Course registration(exception)’ menu is closed, students who wish to make changes to their course registration must submit a course Add/Drop application in paper form (No.12_Graduate (Link)). This application requires the course professor's signature (or approval email) and must be submitted to the KCB Academic & Student Affairs Team (through this email address) within the course Add/Drop period.

4. Winter Semester Course Withdrawal 

A. Course Withdrawal Period : 2025. 12. 25(Thu) 12:30 ~ 2026. 1. 2(Fri) 23:59

 ※ During the course withdrawal period, only dropping courses is permitted. Withdrawing from courses after this period is not allowed.

B. System opening hours : From 12:30(daytime) of the starting day of the drop period to before 23:59(night) of the end day of the drop period  

C. Procedure : Course Registration System (https://sugang.kaist.ac.kr)  → drop classes at ‘Course Registration’ or ‘Course Registration(Exceptions)’ Menu.

※ ‘Course registration(exception) menu will not be used for the course withdrwal. 

5. Inquiry