During the Change-of-Program period (also known as Add/Drop): You can use normal web registration procedures.
After the Change-of-Program period and before the drop deadline: Go in person to the Registrar's Office in 205 Kent with a Registration Adjustment Form, SEAS students need their CSA adviser’s signature on the form.
After the drop deadline:
SEAS student must petition the Committee on Academic Standing. Find all instructions and required forms to drop a course after the deadline HERE.
Columbia College students may request a W or Withdrawal from classes from the drop date to the P/D/F deadline (5th to 11th week). Students should fill out a Registration Adjustment Form AND sign a CC Acknowledgement of Course Withdrawal.