Calendar

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.

2024 Sessions

2024 Spring 1 (Jan – Mar)

Enrollment Open: Jan 2– Feb 23 | Course Session: Jan 15 – Mar 8

Jan 2 , 9:00 a.m. MT | Enrollment Opens
Jan 15, 9:00 a.m. MT | Classes Start
Jan 15, 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 28, 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 23, 5:00 p.m. MT | Enrollment Closes
Mar 05, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Mar 05, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Mar 08, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Mar 08, 4:50 p.m. MT | Deadline to Review Your Peers
Mar 08, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Mar 08, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
Mar 18, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the .
Mar 28, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
Apr 7, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2024 Spring 2 (Mar – May)

Enrollment Open: Feb 26 – Apr 19 | Course Session: Mar 11 – May 3

Feb 26, 9:00 a.m. MT | Enrollment Opens
Mar 11, 9:00 a.m. MT | Classes Start
Mar 11, 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 24, 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 19, 5:00 p.m. MT | Enrollment Closes
Apr 30, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Apr 30, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
May 3, 4:50 p.m. MT | Deadline to complete ProctorU Exams
May 3, 4:50 p.m. MT | Deadline to Review Your Peers
May 3, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
May 3, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
May 13, 11:59 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the .
May 24, 11:59 p.m. | Degree and certificates conferred by 5 p.m.
May 31, 11:59 p.m. | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2024 Summer 1 (May – Jun)

Enrollment Open: Apr 22 – Jun 14 | Course Session: May 6 – Jun 28

Apr 22, 9:00 a.m. MT | Enrollment Opens
May 6, 9:00 a.m. MT | Classes Start
May 6, 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 19, 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 14, 5:00 p.m. MT | Enrollment Closes
Jun 25, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Jun 25, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Jun 28, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Jun 28, 4:50 p.m. MT | Deadline to Review Your Peers
Jun 28, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Jun 28, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
Jul 8, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the .
Jul 19, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
Jul 26, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2024 Summer 2 (July – Aug)

Enrollment Open: Jun 17 – Aug 9 | Course Session: July 1 – Aug 23

Jun 17, 9:00 a.m. MT | Enrollment Opens
Jul 1, 9:00 a.m. MT | Classes Start
Jul 1, 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 14, 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)
Aug 09, 5:00 p.m. MT | Enrollment Closes
Aug 20, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Aug 20, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Aug 23, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Aug 23, 4:50 p.m. MT | Deadline to Review Your Peers
Aug 23, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Aug 23, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
Sep 3, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the .
Sep 13, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
Sep 20, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2024 Fall 1 (Aug – Oct)

Enrollment Open: Aug 12 – Oct 4 | Course Session: Aug 26 – Oct 18

Aug 12, 9:00 a.m. MT | Enrollment Opens
Aug 26, 9:00 a.m. MT | Classes Start
Aug 26, 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 8, 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)
Oct 4, 5:00 p.m. MT | Enrollment Closes
Oct 15, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Oct 15, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Oct 18, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Oct 18, 4:50 p.m. MT | Deadline to Review Your Peers
Oct 18, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Oct 18, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
Oct 28, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the .
Nov 8, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
Nov 15, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2024 Fall 2 (Oct – Dec)

Enrollment Open: Oct 7 – Nov 29 | Course Session: Oct 21 – Dec 13

Oct 7, 9:00 a.m. MT | Enrollment Opens
Oct 21, 9:00 a.m. MT | Classes Start
Oct 21, 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.
Nov 3, 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)
Nov 29, 5:00 p.m. MT | Enrollment Closes
Dec 10, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Dec 10, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Dec 13, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Dec 13, 4:50 p.m. MT | Deadline to Review Your Peers
Dec 13, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Dec 13, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
Dec 23, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the .
Dec 25 - Jan 1, Winter Break, Campus Closed
Jan 10, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
Jan 17, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2025 Sessions

2025 Spring 1 (Jan – Mar)

Enrollment Open: Jan 2 – Feb 21 | Course Session: Jan 13 – Mar 7

Jan 2 , 9:00 a.m. MT | Enrollment Opens
Jan 13, 9:00 a.m. MT | For-credit Course Access Open
Jan 13, 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 26, 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 21, 5:00 p.m. MT | Enrollment Closes
Mar 04, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Mar 04, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Mar 07, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Mar 07, 4:50 p.m. MT | Deadline to Review Your Peers
Mar 07, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Mar 07, 11:59 p.m. MT | For-credit Course Access Close – Deadline to access & submit all remaining graded items
Mar 17, 5:00 p.m. MT | Final grades post, available in Buff Portal through the .
Mar 27, 5:00 p.m. MT | Degree and certificates conferred.
Apr 6, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2025 Spring 2 (Mar – May)

Enrollment Open: Feb 24 – Apr 18 | Course Session: Mar 10 – May 2

Feb 24, 9:00 a.m. MT | Enrollment Opens
Mar 10, 9:00 a.m. MT | For-credit Course Access Open
Mar 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.
Mar 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)
Apr 18, 5:00 p.m. MT | Enrollment Closes
Apr 29, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Apr 29, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
May 2, 4:50 p.m. MT | Deadline to complete ProctorU Exams
May 2, 4:50 p.m. MT | Deadline to Review Your Peers
May 2, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
May 2, 11:59 p.m. MT | For-credit Course Access Close – Deadline to access & submit all remaining graded items
May 12, 11:59 p.m. MT | Final grades post., available in Buff Portal through the .
May 23, 11:59 p.m. | Degree and certificates conferred.
May 30, 11:59 p.m. | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2025 Summer 1 (May – Jun)

Enrollment Open: Apr 21 – Jun 13 | Course Session: May 5 – Jun 27

Apr 21, 9:00 a.m. MT | Enrollment Opens
May 5, 9:00 a.m. MT | For-credit Course Access Open
May 5, 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 18, 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 13, 5:00 p.m. MT | Enrollment Closes
Jun 24, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Jun 24, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Jun 27, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Jun 27, 4:50 p.m. MT | Deadline to Review Your Peers
Jun 27, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Jun 27, 11:59 p.m. MT | For-credit Course Access Close – Deadline to access & submit all remaining graded items
Jul 7, 5:00 p.m. MT | Final grades post, available in Buff Portal through the .
Jul 18, 5:00 p.m. MT | Degree and certificates conferred.
Jul 25, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

2025 Summer 2 (July – Aug)

Enrollment Open: Jun 16 – Aug 8 | Course Session: June 30 – Aug 22

Jun 16, 9:00 a.m. MT | Enrollment Opens
June 30, 9:00 a.m. MT | For-credit Course Access Open
June 30, 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 13, 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)
Aug 08, 5:00 p.m. MT | Enrollment Closes
Aug 19, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Aug 19, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Aug 22, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Aug 22, 4:50 p.m. MT | Deadline to Review Your Peers
Aug 22, 11:59 p.m. MT | Last day to drop or withdraw from a class, if you still qualify.
Aug 22, 11:59 p.m. MT | For-credit Course Access Close – Deadline to access & submit all remaining graded items
Sep 2, 5:00 p.m. MT | Final grades post, available in Buff Portal through the .
Sep 12, 5:00 p.m. MT | Degree and certificates conferred.
Sep 19, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered.

Previous Sessions

Previous: 2023 Sessions

2023 Spring 1 (Jan – Mar)

Enrollment Open: Jan 02 – Feb 24 | Course Session: Jan 16 – Mar 10

Jan 02, 9:00 a.m. MT | Enrollment Opens
Dec 24–Jan 2 | University closed – The University of Colorado Boulder will be closed at this time, including technical support for enrollment. Please plan accordingly and expect delays in response to any communications sent to the university during that time.
Jan 16, 9:00 a.m. MT | Classes Start
Jan 16, 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 29, 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 24, 5:00 p.m. MT | Enrollment Closes
Mar 07, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Mar 07, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Mar 10, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Mar 10, 4:50 p.m. MT | Deadline to Review Your Peers
Mar 10, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2023 Spring 2 (Mar – May)

Enrollment Open: Feb 27 – Apr 21 | Course Session: Mar 13 – May 05

Feb 27, 9:00 a.m. MT | Enrollment Opens
Mar 13, 9:00 a.m. MT | Classes Start
Mar 13, 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 26, 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 21, 5:00 p.m. MT | Enrollment Closes
May 02, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
May 02, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
May 05, 4:50 p.m. MT | Deadline to complete ProctorU Exams
May 05, 4:50 p.m. MT | Deadline to Review Your Peers
May 05, 4:50 p.m. MT | Deadline to submit all remaining graded items
May 05, 11:59 p.m. MT | Classes end - access to all items is removed

2023 Summer 1 (May – Jun)

Enrollment Open: Apr 24 – Jun 16 | Course Session: May 08 – Jun 30

Apr 24, 9:00 a.m. MT | Enrollment Opens
May 08, 9:00 a.m. MT | Classes Start
May 08, 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 21, 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 16, 5:00 p.m. MT | Enrollment Closes
Jun 27, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Jun 27, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Jun 30, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Jun 30, 4:50 p.m. MT | Deadline to Review Your Peers
Jun 30, 4:50 p.m. MT | Deadline to submit all remaining graded items
Jun 30, 11:59 p.m. MT | Classes end - access to all items is removed

2023 Summer 2 (Jun – Aug)

Enrollment Open: Jun 19 – Aug 11 | Course Session: Jul 03 – Aug 25

Jun 19, 9:00 a.m. MT | Enrollment Opens
Jul 03, 9:00 a.m. MT | Classes Start
Jul 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.
Jul 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)
Aug 11, 5:00 p.m. MT | Enrollment Closes
Aug 22, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Aug 22, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Aug 25, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Aug 25, 4:50 p.m. MT | Deadline to Review Your Peers
Aug 25, 4:50 p.m. MT | Deadline to submit all remaining graded items
Aug 25, 11:59 p.m. MT | Classes end - access to all items is removed

2023 Fall 1 (Aug – Oct)

Enrollment Open: Aug 14 – Oct 05 | Course Session: Aug 28 – Oct 20

Aug 14, 9:00 a.m. MT | Enrollment Opens
Aug 28, 9:00 a.m. MT | Classes Start
Aug 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.
Sep 10, 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)
Oct 05, 5:00 p.m. MT | Enrollment Closes - Note that this closes one day earlier than usual!
Oct 17, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Oct 17, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Oct 20, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Oct 20, 4:50 p.m. MT | Deadline to Review Your Peers
Oct 20, 4:50 p.m. MT | Deadline to submit all remaining graded items
Oct 20, 11:59 p.m. MT | Classes end - access to all items is removed

2023 Fall 2 (Oct – Dec)

Enrollment Open: Oct 11 – Dec 01 | Course Session: Oct 23 – Dec 15

Oct 11, 9:00 a.m. MT | Enrollment Opens - Note that this is two days later than the usual schedule!
Oct 23, 9:00 a.m. MT | Classes Start
Oct 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.
Nov 05, 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)
Dec 01, 5:00 p.m. MT | Enrollment Closes
Dec 12, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Dec 12, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Dec 15, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Dec 15, 4:50 p.m. MT | Deadline to Review Your Peers
Dec 15, 4:50 p.m. MT | Deadline to submit all remaining graded items
Dec 15, 11:59 p.m. MT | Classes end - access to all items is removed

Previous: 2022 Sessions

2022 Spring 1 (Jan – Mar)

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

Dec 20 (2021), 9:00 a.m. MT | Enrollment Opens – Enrollment opening 1 week early due to CU being closed during the last week of 2021
Dec 24–Jan 2 | University closed – The University of Colorado Boulder will be closed at this time, including technical support for enrollment. Please plan accordingly and expect delays in response to any communications sent to the university during that time.
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 2 (Mar – Apr)

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 Summer 1 (May – Jun)

Enrollment Open: Apr 18 – Jun 10 | Course Session: May 2 – Jun 24

Apr 18, 9:00 a.m. MT | Enrollment Opens
May 2, 9:00 a.m. MT | Classes Start
May 2, 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 15, 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 10, 5:00 p.m. MT | Enrollment Closes
Jun 21, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Jun 21, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Jun 24, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Jun 24, 4:50 p.m. MT | Deadline to Review Your Peers
Jun 24, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2022 Summer 2 (Jun – Aug)

Enrollment Open: Jun 13 – Aug 5 | Course Session: Jun 27 – Aug 19

Jun 13, 9:00 a.m. MT | Enrollment Opens
Jun 27, 9:00 a.m. MT | Classes Start
Jun 27, 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 10, 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)
Aug 05, 5:00 p.m. MT | Enrollment Closes
Aug 16, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Aug 16, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Aug 19, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Aug 19, 4:50 p.m. MT | Deadline to Review Your Peers
Aug 19, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2022 Fall 1 (Aug – Oct)

Enrollment Open: Aug 8 – Sep 30 | Course Session: Aug 22 – Oct 14

Aug 08, 9:00 a.m. MT | Enrollment Opens
Aug 22, 9:00 a.m. MT | Classes Start
Aug 22, 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 04, 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)
Sep 30, 5:00 p.m. MT | Enrollment Closes
Oct 11, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Oct 11, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Oct 14, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Oct 14, 4:50 p.m. MT | Deadline to Review Your Peers
Oct 14, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

2022 Fall 2 (Oct – Dec)

Enrollment Open: Oct 3 – Nov 25 | Course Session: Oct 17 – Dec 9

Oct 03, 9:00 a.m. MT | Enrollment Opens
Oct 17, 9:00 a.m. MT | Classes Start
Oct 17, 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 30, 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)
Nov 25, 5:00 p.m. MT | Enrollment Closes
Dec 06, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
Dec 06, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
Dec 09, 4:50 p.m. MT | Deadline to complete ProctorU Exams
Dec 09, 4:50 p.m. MT | Deadline to Review Your Peers
Dec 09, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

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No application required. Click "Enroll Now" below to complete the registration form, pay tuition and start learning right away. Consider starting with a pathway course. Pathways are a series of three 1-credit courses with a focus on either statistics or computer science.

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