Special Session Calendars
Special Session Calendars
Main Campus Calendars By Topic
Main Campus Calendars By Special Session
The calendars on this page apply to Main Campus special session classes.
For Colorado Law and all other classes, see "Other CU Calendars" above.
NOTE: If you drop all main campus classes by the drop without penalty; $200 fee applies deadline, you may be assessed a withdrawal fee.
Summer 2024
Variable Sessions
Tuesday, July 9
- First class day.
- Last day to add this class.
Wednesday, July 10
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, July 19
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, July 24
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, July 25
- Last class day.
Monday, June 3
- First class day.
- Last day to add this class.
Tuesday, June 4
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, June 12
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Monday, June 17
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Tuesday, June 18
- Last class day.
Friday, July 26
- First class day.
- Last day to add this class.
Monday, July 29
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Monday, August 5
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, August 8
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, August 9
- Last class day.
Thursday, June 20
- First class day.
- Last day to add this class.
Friday, June 21
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, June 28
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, July 3
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, July 5
- Last class day.
Thursday, June 20
- First class day.
- Last day to add this class.
Friday, June 21
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, June 28
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, July 3
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, July 5
- Last class day.
Monday, June 3
- First class day.
- Last day to add this class.
Tuesday, June 4
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, June 12
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Monday, June 17
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Tuesday, June 18
- Last class day.
Tuesday, July 9
- First class day.
- Last day to add this class.
Wednesday, July 10
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, July 19
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, July 24
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, July 25
- Last class day.
Friday, July 26
- First class day.
- Last day to add this class.
Monday, July 29
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Monday, August 5
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, August 8
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, August 9
- Last class day.
Monday, May 13
- First class day.
Wednesday, May 15
- Last day to add this class.
Friday, May 17
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, June 12
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Friday, June 28
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Sunday, June 30
- Last class day.
Monday, July 1
- First class day.
Wednesday, July 3
- Last day to add this class.
Monday, July 8
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Thursday, August 1
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Friday, August 16
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Sunday, August 18
- Last class day.
Tuesday, May 21
- First class day.
Wednesday, May 29
- Last day to add this class.
Tuesday, June 4
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Thursday, July 18
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, August 14
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, August 15
- Last class day.
Monday, May 20
- First class day.
Tuesday, May 28
- Last day to add this class.
Monday, June 3
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, July 19
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, August 15
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, August 16
- Last class day.
Monday, May 20
- First class day.
Tuesday, May 28
- Last day to add this class.
Monday, June 3
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, July 19
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, August 15
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, August 16
- Last class day.
Monday, August 19
- First class day.
- Last day to add this class.
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, August 21
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, August 22
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, August 23
- Last class day.
Thursday, May 16
- First class day.
Thursday, May 23
- Last day to add this class.
Thursday, May 30
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, July 17
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, August 14
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, August 15
- Last class day.
Wednesday, May 15
- First class day.
Friday, May 17
- Last day to add this class.
Tuesday, May 21
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, June 12
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Friday, June 28
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Saturday, June 29
- Last class day.
Monday, August 5
- First class day.
- Last day to add this class.
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, August 7
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, August 8
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, August 9
- Last class day.
Monday, July 1
- First class day.
Wednesday, July 3
- Last day to add this class.
Monday, July 8
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Thursday, August 1
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Friday, August 16
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Sunday, August 18
- Last class day.
Monday, July 3
- First class day.
Thursday, July 6
- Last day to add this class.
Tuesday, July 11
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Thursday, Aug. 3
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, Aug. 17
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, Aug. 18
- Last class day.
Monday, May 13
- First class day.
Wednesday, May 15
- Last day to add this class.
Friday, May 17
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, June 12
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Friday, June 28
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Sunday, June 30
- Last class day.
Fall 2024
Variable Sessions
Tuesday, Aug. 27
- First class day.
Wednesday, Sept. 4
- Last day to add this class.
Wednesday, Sept. 11
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Tuesday, Oct. 29
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, Dec. 4
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, Dec. 5
- Last class day.
Monday, Aug. 26
- First class day.
Tuesday, Sept. 3
- Last day to add this class.
Tuesday, Sept. 10
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Tuesday, Oct. 29
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, Dec. 4
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, Dec. 5
- Last class day.
Monday, Aug. 26
- First class day.
Tuesday, Sept. 3
- Last day to add this class.
Tuesday, Sept. 10
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Monday, Oct. 28
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, Dec. 3
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, Dec. 4
- Last class day.
Monday, Aug. 26
- First class day.
Thursday, Aug. 29
- Last day to add this class.
Thursday, Sept. 5
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Tuesday, Oct. 8
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, Oct. 29
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, Oct. 30
- Last class day.
Monday, Aug. 26
- First class day.
Wednesday, Aug. 28
- Last day to add this class
Thursday, Aug. 29
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Thursday, Sept. 19
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, Oct. 1
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, Oct. 2
- Last class day.
Monday, Aug. 26
- First class day.
Wednesday, Aug. 28
- Last day to add this class
Friday, Aug. 30
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, Sept. 20
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Thursday, Oct. 3
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Friday, Oct. 4
- Last class day.
Tuesday, Aug. 27
- First class day.
Thursday, Aug. 29
- Last day to add this class
Friday, Aug. 30
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Friday, Sept. 20
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, Oct. 2
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, Oct. 3
- Last class day.
Tuesday, Oct. 8
- First class day.
Friday, Oct. 11
- Last day to add this class
Wednesday, Oct. 16
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, Nov. 13
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Monday, Dec. 9
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Tuesday, Dec. 10
- Last class day.
Monday, Aug. 26
- First class day.
Tuesday, Sept. 3
- Last day to add this class.
Tuesday, Sept. 10
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Monday, Oct. 28
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, Dec. 3
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, Dec. 4
- Last class day.
Monday, Aug. 26
- First class day.
Tuesday, Sept. 3
- Last day to add this class.
Tuesday, Sept. 10
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Monday, Oct. 28
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, Dec. 3
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, Dec. 4
- Last class day.
Wednesday, Aug. 28
- First class day.
Friday, Aug. 30
- Last day to add this class.
Wednesday, Sept. 4
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Wednesday, Sept. 25
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, Dec. 8
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, Dec. 9
- Last class day.
Spring 2025
Variable Sessions
Tuesday, Jan. 14
- First class day.
Wednesday, Jan. 22
- Last day to add this class.
Wednesday, Jan. 29
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Tuesday, March 18
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Wednesday, April 23
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Thursday, April 24
- Last class day.
Tuesday, Jan. 14
- First class day.
Tuesday, Jan. 21
- Last day to add this class.
Monday, Jan. 27
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Thursday, March 6
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Monday, April 7
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Tuesday, April 8
- Last class day.
Wednesday, Jan. 15
- First class day.
Thursday, Jan. 23
- Last day to add this class.
Thursday, Jan. 30
- Last day to drop this class without tuition/fee charges and a W grade (you must remain enrolled in at least one other variable session class).
- Last day to edit your class options.
- Last day to withdraw from the session with a full refund.
Tuesday, March 18
- Last day to drop this class and remain enrolled in at least one other variable session class. You'll be assessed full tuition, and a W grade will post to your transcript.
Tuesday, April 22
- Last day to withdraw from this session; you'll be assessed 100% of tuition and W grades will post to your transcript.
Wednesday, April 23
- Last class day.