| Fall 2008 | Spring 2009 |
| August 27 - September 19 Courses may be added and dropped without petition. | January 15 - February 6 Courses may be added and dropped without petition. |
| September 19 Last day to change grade option (letter grade to S/U or S/U to letter grade) and credit hours for variable credit courses. | February 6 Last day to change grade option (letter grade to S/U or S/U to letter grade) and credit hours for variable credit courses. |
| After September 19 Courses may be added only be approved petition. | After February 6 Courses may be added only by approved petition. |
| September 19 - October 17 Elective courses may be dropped. | February 6 - March 6 Elective courses may be dropped. |
| After October 17 Courses may be dropped only by approved petition. All courses dropped after this date will appear on the official transcript with a notation of "W". | After March 6 Courses may be dropped only by approved petition. All courses dropped after this date will appear on the official transcript with a notation of "W". |