Time conflict

Time conflicts occur when two classes are scheduled at the same time. This can prevent enrollment, including from a waitlist.

Add/drop consent

Instructor or department consent is sometimes required to add or drop a class.

Add and drop

Adding and dropping classes to manage enrollment.

Reserved seats

Reserved seats are set aside for certain student populations. They may affect your ability to enroll or get enrolled from a waitlist.

Unit limits

The maximum number of units that a student can enroll in during an enrollment period.

Enrollment appointments and phases

Enrollment appointments and phases determine when a student is able to enroll, drop, swap, and update classes.


Swap allows you to drop one class and add another.

Switching related sections

Switching related sections is possible for enrolled classes only.

How to enroll

Enrollment occurs in CalCentral. You choose classes, add them to a shopping cart, and then enroll.