Spring 2009 Course Dates and Deadlines for Dentistry Students Note: Session 1 is the traditional 18-week semester. Course Event Session 1 1/5/09 to 5/9/09 Session 2 1/12/09 to 3/7/09 Session 3 3/16/09 to 5/9/09 Early Registration Begins 11/3/08 11/3/08 11/3/08 Open Registration Begins 11/24/08 11/24/08 11/24/08 Classes Begin 1/5/09 1/12/09 3/16/09 Registration Ends at Midnight 1/13/09 1/20/09 3/24/09 Last day to drop a class without a grade of "W" 1/13/09 1/20/09 3/24/09 Deadline to change from Credit to Audit 4/14/09 2/20/09 4/24/09 Deadline to Withdraw with "W" 4/14/09 2/20/09 4/24/09 Classes End 5/9/09 3/7/09 5/9/09 Additional dates and deadlines for the Spring 2009 term can be found of the Office of the Provost's Academic Calendar. Important: After the end of registration, you may not add, drop or change your courses via CheckMarq.