Welcome to the 2017–18 academic year at CU Boulder! We don't want you to miss any important deadlines, so here are the big ones for Main Campus, full-semester classes. All deadlines occur at 11:59 p.m. Mountain Time unless otherwise noted. Visit the Academic Calendar
for a complete list of academic dates & deadlines.
Monday, Sept. 4, 2017
Labor Day holiday (no classes; university closed).
Last day to enroll in a payment plan
Wednesday, Sept. 13, 2017
Last day to drop a class
without tuition charges and without a W grade.
Last day to withdraw from the university
(i.e., drop all Main Campus classes) without tuition charges and without a W grade; a $200 processing fee applies.
Wednesday, Sept. 27, 2017
Last day to withdraw from the university with 40% tuition assessment and W grades.
Office of the Registrar
University of Colorado Boulder
Boulder, CO 80309