Key Dates & Deadlines
Below are some key Summer Sessions 2021 dates and deadlines. For additional dates, see the Academic Calendar.
Dates of Instruction
Summer Sessions at the University of Washington runs from mid-June through mid-August and is divided into two sessions, a Session A and a Session B. Each session lasts about four and a half weeks. Some courses span just one session, while others extend over both.
| Full Session | Session A | Session B |
|---|---|---|
| June 21 – August 20, 2021 | June 21 – July 21, 2021 | July 22 – August 20, 2021 |
Application Deadlines
High school students and nonmatriculated students — students not currently seeking a degree at the UW — need to apply to Summer Sessions before they can register for courses. Matriculated students do not need to apply before registering.
| Full Session | Session A | Session B | |
|---|---|---|---|
| Applications open | February 1, 2021 | February 1, 2021 | February 1, 2021 |
| Online application deadline | June 27, 2021 | June 27, 2021 | July 28, 2021 |
Registration Deadlines
| Full Session | Session A | Session B | |
|---|---|---|---|
| Early registration period* | April 12– May 19, 2021 | April 12 – May 19, 2021 | April 12 – May 19, 2021 |
| General registration period** | May 20 – June 20, 2021 | May 20 – June 20, 2021 | May 20 – June 20, 2021 |
| $25 late registration fee begins | June 21, 2021 | June 21, 2021 | July 22, 2021 |
| $75 late registration fee begins | July 5, 2021 | July 5, 2021 | August 5, 2021 |
*Current UW graduate, professional and postbaccalaureate students; veterans; students with disabilities; and graduating seniors can begin registration on April 12. All other class standings can register starting on April 14.
**Restrictions or prerequisites may apply. See the Time Schedule for specific course details.
Add, Drop and Withdrawal Deadlines
For dates and deadlines regarding adding and dropping courses or withdrawing from Summer Sessions, see the Academic Calendar page.