Course selection windows

Course selection windows
Are you wondering when you can register for classes? Your course selection window is the window of time during the course selection period in which you can add classes. Your class level is determined on the basis of successfully completed credits plus the number of credits in progress. 

Click the following links to determine your  class level and course selection window.

Fall 2020

  • The "add period" or course selection period for Fall 2020 has ended.
  • The last day to drop Fall 2020 courses is the last day of classes, Friday December 4, 2020.

Winter 2021

Winter 2021 course enrolment will begin November 16, 2020 based on the course selection windows below. All students are encouraged to select courses as soon as possible after their window opens. Course enrolment will continue until January 15, 2021; however, students who do not enrol by November 30 may find that their desired or required course sections are no longer available (closed/full).

Most 1000-level courses will be restricted to first-year students until NOON on Monday, November 30. A detailed list of these temporary course restrictions will be published shortly.

Students will be unable to enrol in courses on WebAdvisor on the following dates and times due to scheduled maintenance:

  • 8 a.m. to 12 p.m. on Monday, November 30, 2020
  • 8 a.m. on Tuesday, December 15 through to 8 a.m. on Wednesday, December 16, 2020

Please review the Frequently Asked Questions for more information about course enrolment. If you have any questions about your program and/or the courses you should be taking, please refer to Chapter VII, Academic Advising, in the Undergraduate Calendar or the Diploma Calendar for additional information.

The course selection windows are pasted below for your quick reference: 

Monday, November 16 at 8 a.m.

17.75+ completed and in-progress credits, and students approved for priority access. Please note that varsity athletes are not eligible for priority access this winter because they do not require the coordination of classes with practices and competitions.


Tuesday, November 17 at 8 a.m.

15.25+ completed and in-progress credits


Wednesday, November 18 at 8 a.m.

12.75+ completed and in-progress credits


Thursday, November 19 at 8 a.m.

10.25+ completed and in-progress credits


Friday, November 20 at 8 a.m.

7.75+ completed and in-progress credits


Monday, November 23 at 8 a.m.

5.25+ completed and in-progress credits


Tuesday, November 24 at 8 a.m.

2.75+ completed and in-progress credits except for B.Eng. students. Only B.Eng. students with 3.00+ completed and in-progress credits may select courses beginning at this time.


Wednesday, November 25 at 8 a.m.

0.00+ completed and in-progress credits (i.e., most first-year students and new students)