There are six 8-week sessions per year. Enrollment opens 2 weeks before the first day of class and ends 2 weeks before all coursework is due. All for-credit coursework is due by the last day of the 8-week session.

2021 Sessions

Enrollment Open: Apr 19 – Jun 11  |  Course Session: May 3 – Jun 25 

  • Apr 19, 9:00 a.m. MT | Enrollment Opens
  • May 03, 9:00 a.m. MT | Classes Start
  • May 03, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • May 16, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment (See details: MS-DS Handbook)
  • Jun 11, 5:00 p.m. MT | Enrollment Closes
  • Jun 22, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Jun 22, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Jun 25, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Jun 25, 4:50 p.m. MT | Deadline to Review Your Peers
  • Jun 25, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2021 Summer 1 Calendar  

Enrollment Open: Jun 14 – Aug 6  |  Course Session: Jun 28 – Aug 20

  • Jun 14, 9:00 a.m. MT | Enrollment Opens
  • Jun 28, 9:00 a.m. MT | Classes Start
  • Jun 28, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Jul 11, 11:59 p.m. | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment (See details: MS-DS Handbook)
  • Aug 06, 5:00 p.m. MT | Enrollment Closes
  • Aug 17, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Aug 17, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Aug 20, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Aug 20, 4:50 p.m. MT | Deadline to Review Your Peers
  • Aug 20, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2021 Summer 2 Calendar  

Enrollment Open: Aug 9 – Oct 1 | Course Session: Aug 23 – Oct 15

  • Aug 09, 9:00 a.m. MT | Enrollment Opens
  • Aug 23, 9:00 a.m. MT | Classes Start
  • Aug 23, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Sep 05, 11:59 p.m. | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment (See details: MS-DS Handbook)
  • Oct 01, 5:00 p.m. MT | Enrollment Closes
  • Oct 12, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Oct 12, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Oct 15, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Oct 15, 4:50 p.m. MT | Deadline to Review Your Peers
  • Oct 15, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2021 Fall 1 Calendar  

Enrollment Open: Oct 4 – Nov 26 | Course Session: Oct 18 – Dec 10

  • Oct 04, 9:00 a.m. MT | Enrollment Opens
  • Oct 18, 9:00 a.m. MT | Classes Start
  • Oct 18, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Oct 31, 11:59 p.m. | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment (See details: MS-DS Handbook)
  • Nov 26, 5:00 p.m. MT | Enrollment Closes
  • Dec 07, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Dec 07, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Dec 10, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Dec 10, 4:50 p.m. MT | Deadline to Review Your Peers
  • Dec 10, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2021 Fall 2 Calendar  

2022 Sessions

Enrollment Open: Dec 27 – Feb 18  |  Course Session: Jan 10 – Mar 4 

  • Dec 27 (2021), 9:00 a.m. MT | Enrollment Opens
  • Jan 10, 9:00 a.m. MT | Classes Start
  • Jan 10, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Jan 23, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment (See details: MS-DS Handbook)
  • Feb 18, 5:00 p.m. MT | Enrollment Closes
  • Mar 01, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Mar 01, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Mar 04, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Mar 04, 4:50 p.m. MT | Deadline to Review Your Peers
  • Mar 04, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2022 Spring 1 Calendar  

Enrollment Open: Feb 21 – Apr 15  |  Course Session: Mar 7 – Apr 29 

  • Feb 21, 9:00 a.m. MT | Enrollment Opens
  • Mar 07, 9:00 a.m. MT | Classes Start
  • Mar 07, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Mar 20, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment (See details: MS-DS Handbook)
  • Apr 15, 5:00 p.m. MT | Enrollment Closes
  • Apr 26, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Apr 26, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Apr 29, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Apr 29, 4:50 p.m. MT | Deadline to Review Your Peers
  • Apr 29, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2022 Spring 2 Calendar