Taking X-Class
🎬 Video Guide: The X-Class System
X-Class Policy Overview
Students cannot enroll in time-conflicting classes. However, starting from the Fall semester of 2022, students may request to enroll in two time-conflicting classes simultaneously, provided that at least one of the courses is designated as an X-Class.
Instructors are required to submit a complete semester's worth of instructional videos if they choose to designate their course as an X-Class in the course remarks column (as illustrated below). Students may then request to attend two time-conflicting classes concurrently under specific circumstances.
Search for X-Class Courses
The relevant information for X-Class courses can be verified directly within the course remarks. Simply use the NTHU Course Inquiry "Keyword Search" function and enter "X-Class" to filter all related courses.
Conditions & Student Responsibilities
- To coordinate various components of course learning with the X-Class instructor—such as physical class participation, interactive discussions, practical exercises, exam scheduling, and evaluation techniques—students must fill out and submit the official X-Class Application Form.
- Neither of the course instructors is obliged to teach extra sessions or adjust schedules to accommodate conflicts. Instructors cannot be requested to alter the dates/times of quizzes, midterms, finals, or any other examinations, provide additional make-up opportunities, or modify grading metrics if the exam schedules clash.
- While schedule conflicts must be formally approved by the instructor, it remains the **sole responsibility of the student** to process their class registration (either via the online system or through the extra selection application).
Application Procedure
- Enroll in Course A (the regular, non-X-Class course) through the course registration system.
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Complete the X-Class Application Form and obtain a signature from the instructor(s) of Course B (the X-Class course). If the course has multiple instructors, a signature from any one of them is sufficient.
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Submit the completed application form to the Curriculum Division Office.
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Complete course registration separately. The instructor’s signature indicates approval of your eligibility to register for a course that conflicts with Course A; it does not mean you are enrolled in Course B. You must still register for Course B through the course registration system or apply through the extra selection process.
Course Selection Order & Rules
If you perform this process in reverse (e.g., selecting Course B first, or enrolling in both A and B simultaneously without prior adjustment, or attempting to switch Course A to a new Course C later), the system will automatically trigger a time-conflict block and the request cannot be processed.
🧩 X-Class Selection Rules by Scenario
Scenario 1:
Already Enrolled in Course A
- Submit the completed X-Class application form to the office.
- The Curriculum Division updates the system to bypass the conflict check.
- Add Course B (X-Class) smoothly via regular online selection or extra selection.
Scenario 2:
Not Yet Enrolled in Course A
A) If both courses use Lottery Selection:
- Submit the form ➔ System bypasses conflict check.
- Add Course A first, then add Course B.
B) If B is selected via lottery but A is missed:
- You must Drop Course B (X-Class) first.
- Add Course A, then re-add Course B.
C) If both require Extra Selection:
- Approval order is vital: Secure approval for Course A first, then Course B.
- If B is added first, it must be dropped before A can be attached.
Scenario 3:
Changing Course A to Course C
- Drop Course B (X-Class) temporarily to release the lock.
- Successfully Add Course C into your schedule.
- Re-add Course B (X-Class) back into your system.