The first day of registration for all students is Monday, January 5, 2026.
UMSL Summer 2026 Application for admission - Closes on 7/15/2026 at 5pm.
Students entering courses after the first day of classes are responsible for all assigned coursework.
Classes may have progressed to the point where completing all assigned work may be difficult.
Students may wish to contact the instructor prior to enrolling.
Final examinations for Sessions 1, 2, and 3 will be held at the last class meeting.
SESSION 1 (4 WEEK SESSION) May 18 – June 13, 2026
| Date | Day | Event |
|---|---|---|
| May | ||
| 18 | Monday | Classes begin 8:00 a.m. |
| 20 | Wednesday |
Last day any student may enroll (enter a course for credit) for Session 1. Last day Registrar's Office will move students automatically from the waitlist to open sections. |
| 25 | Monday | No classes, Memorial Day holiday. |
| 26 | Tuesday |
Last day to drop a Session 1 course without receiving a grade. Last day a student may place a Session 1 course on a Satisfactory/Unsatisfactory basis. |
| 27 | Wednesday | First day all Session 1 dropped courses and withdrawals from term are assigned an EX grade. |
| June | ||
| 01 | Monday | Last day to drop a Session 1 course without instructor approval. EX grade will be assigned. |
| 02 | Tuesday | First day all Session 1 dropped courses require instructor approval. EX or EX-F grade will be assigned. |
| 08 | Monday | Last day to drop or withdraw from a Session 1 course. Instructor approval is required. EX or EX-F grade will be assigned. |
| 09 | Tuesday |
As of this date students with exigent circumstances that need to drop a class or withdraw from the term must provide documentation of exigent circumstances and receive approval from both the instructor and the dean. If approved, grades of EX or EX-F will be assigned. |
| 13 | Saturday | Session 1 closes, end of day. |
SESSION 2 (4 WEEK SESSION) June 15 – July 11, 2026
| Date | Day | Event |
|---|---|---|
| June | ||
| 15 | Monday | Classes begin 8:00 a.m. |
| 17 | Wednesday |
Last day any student may enroll (enter a course for credit) for Session 2. Last day Registrar's Office will move students automatically from the waitlist to open sections. |
| 19 | Friday | No classes, Juneteenth holiday. |
| 22 | Monday |
Last day to drop a Session 2 course without receiving a grade. Last day a student may place a Session 2 course on a Satisfactory/Unsatisfactory basis. |
| 23 | Tuesday | First day all Session 2 dropped courses and withdrawals from term are assigned an EX grade. |
| 29 | Monday | Last day to drop a Session 2 course without instructor approval. EX grade will be issued. |
| 30 | Tuesday | First day all Session 2 dropped courses require instructor approval. EX or EX-F grade will be assigned. |
| July | ||
| 03 | Friday | No classes, Independence Day holiday. |
| 06 | Monday | Last day to drop a Session 2 course. Instructor approval is required. EX or EX-F grade will be assigned. |
| 07 | Tuesday | As of this date students with exigent circumstances that need to drop a class or withdraw from the term must provide documentation of exigent circumstances and receive approval from both the instructor and the dean. If approved, grades of EX or EX-F will be assigned. |
| 11 | Saturday | Session 2 closes, end of day. |
SESSION 3 (4 WEEK SESSION) July 13 – August 8, 2026
| Date | Day | Event |
|---|---|---|
| July | ||
| 13 | Monday | Classes begin 8:00 a.m. |
| 15 | Wednesday |
Last day any student may enroll (enter a course for credit) for Session 3. Last day Registrar's Office will move students automatically from the waitlist to open sections. |
| 20 | Monday |
Last day to drop a Session 3 course without receiving a grade. Last day a student may place a Session 3 course on a Satisfactory/Unsatisfactory basis. |
| 21 | Tuesday | First day all Session 3 dropped courses and withdrawals from term are assigned an EX grade. |
| 27 | Monday | Last day to drop a Session 3 course without instructor approval. EX grade will be assigned. |
| 28 | Tuesday | First day all Session 3 dropped courses require instructor approval. EX or EX-F grade will be assigned. |
| August | ||
| 03 | Monday | Last day to drop or withdraw from a Session 3 course. Instructor approval is required. EX or EX-F grade will be assigned. |
| 04 | Tuesday | As of this date students with exigent circumstances that need to drop a class or withdraw from the term must provide documentation of exigent circumstances and receive approval from both the instructor and the dean. If approved, grades of EX or EX-F will be assigned. |
| 08 | Saturday | Session 3 closes, end of day. |
SESSION 4 (8 WEEK SESSION) May 18 – July 11, 2026
| Date | Day | Event |
|---|---|---|
| May | ||
| 18 | Monday | Classes begin 8:00 a.m. |
| 21 | Thursday |
Last day any student may enroll (enter a course for credit) for Session 4. Last day Registrar's Office will move students automatically from the waitlist to open sections. |
| 25 | Monday | No classes, Memorial Day holiday. |
| June | ||
| 01 | Monday |
Last day to drop a Session 4 course without receiving a grade. Last day a student may place a Session 4 course on a Satisfactory/Unsatisfactory basis. |
| 02 | Tuesday | First day all Session 4 dropped courses and withdrawals from term are assigned an EX grade. |
| 15 | Monday | Last day to drop a Session 4 course without instructor approval. EX grade will be issued. |
| 16 | Tuesday |
First day all Session 4 dropped courses require instructor approval. EX or EX-F grade will be assigned. |
| 19 | Friday | No classes, Juneteenth holiday. |
| 29 | Monday | Last day to drop or withdraw from a Session 4 course. Instructor approval is required. EX or EX-F grade will be assigned. |
| 30 | Tuesday |
As of this date students with exigent circumstances that need to drop a class or withdraw from the term must provide documentation of exigent circumstances and receive approval from both the instructor and the dean. If approved, grades of EX or EX-F will be assigned. |
| July | ||
| 03 | Friday | No classes, Independence Day holiday. |
| 08 | Wednesday | Final examinations begin. |
| 11 | Saturday | Session 4 closes, end of day. |
SESSION 5 (8 WEEK SESSION) June 15 – August 08, 2026
| Date | Day | Event |
|---|---|---|
| June | ||
| 15 | Monday | Classes begin 8:00 a.m. |
| 18 | Thursday |
Last day any student may enroll (enter a course for credit) for Session 5. Last day Registrar's Office will move students automatically from the waitlist to open sections. |
| 19 | Friday | No classes, Juneteenth holiday. |
| 29 | Monday |
Last day to drop a Session 5 course without receiving a grade. Last day a student may place a Session 5 course on a Satisfactory/Unsatisfactory basis. |
| 30 | Tuesday | First day all Session 5 dropped courses and withdrawals from term are assigned an EX grade. |
| July | ||
| 03 | Friday | No classes, Independence Day holiday. |
| 13 | Monday | Last day to drop or withdraw from a Session 5 course without instructor approval. EX grade will be assigned. |
| 14 | Tuesday |
First day all Session 5 dropped courses require instructor approval. EX or EX-F grade will be assigned. |
| 27 | Monday | Last day to drop a Session 5 course. Instructor approval is required. EX or EX-F grade will be assigned. |
| 28 | Tuesday |
As of this date students with exigent circumstances that need to drop a class or withdraw from the term must provide documentation of exigent circumstances and receive approval from both the instructor and the dean. If approved, grades of EX or EX-F will be assigned. |
| August | ||
| 05 | Wednesday | Final examinations begin. |
| 08 | Saturday | Session 5 closes, end of day. |
SESSION 6 (12 WEEK SESSION) May 18 – August 08, 2026
| Date | Day | Event |
|---|---|---|
| May | ||
| 18 | Monday | Classes begin 8:00 a.m. |
| 22 | Friday |
Last day any student may enroll (enter a course for credit) for Session 6. Last day Registrar's Office will move students automatically from the waitlist to open sections. |
| 25 | Monday | No classes, Memorial Day holiday. |
| June | ||
| 08 | Monday |
Last day to drop a Session 6 course without receiving a grade. Last day a student may place a Session 6 course on a Satisfactory/Unsatisfactory basis. |
| 09 | Tuesday | First day all Session 6 dropped courses and withdrawals from term are assigned an EX grade. |
| 19 | Friday | No classes, Juneteenth holiday observed. |
| 29 | Monday |
Last day to drop or withdraw from a Session 6 course without instructor approval. EX grade will be assigned. |
| 30 | Tuesday | First day all Session 6 dropped courses require instructor approval. EX or EX-F grade will be assigned. |
| July | ||
| 03 | Friday | No classes, Independence Day holiday. |
| 20 | Monday | Last day to drop or withdraw from a Session 6 course. Instructor approval is required. EX or EX-F grade will be assigned. |
| 21 | Tuesday |
As of this date students with exigent circumstances that need to drop a class or withdraw from the term must provide documentation of exigent circumstances and receive approval from both the instructor and the dean. If approved, grades of EX or EX-F will be assigned. |
| August | ||
| 05 | Wednesday | Final examinations begin. |
| 08 | Saturday | Session 6 closes, end of day. |