Key Dates & Deadlines
Below are some key Summer Sessions 2026 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 A-Term and B-Term. Each term lasts about four and a half weeks, and full-term is nine weeks. Some courses span just one term, while others extend over both.
| Full-Term | A-Term | B-Term |
|---|---|---|
| June 22 – August 21, 2026 | June 22 – July 22, 2026 | July 23 – August 21, 2026 |
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— current UW students — do not need to apply before registering.
| Full-Term | A-Term | B-Term | |
|---|---|---|---|
| Applications open | February 2, 2026 | February 2, 2026 | February 2, 2026 |
| Application deadline | June 21, 2026 | June 21, 2026 | July 23, 2026 |
Registration Deadlines
Registration dates and times are determined by your student status. You may make changes on MyUW any day following the assigned priority date.
| Full-Term | A-Term | B-Term | |
|---|---|---|---|
|
Priority Registration Period Current UW Students & Others* |
April 16 – May 20, 2026 | April 16 – May 20, 2026 | April 16 – May 20, 2026 |
| Non-UW Students, HS Students & Others** | April 20 – May 20, 2026 | April 20 – May 20, 2026 | April 20 – May 20, 2026 |
| Registration Period II | May 21 – June 21, 2026 | May 21 – June 21, 2026 | May 21 – June 21, 2026 |
|
Registration Period III UW Faculty/Staff & WA State Employees*** |
June 22 – 28, 2026 | June 22 – 28, 2026 | June 22 – July 29, 2026 |
| $25 late registration fee begins | June 22, 2026 | June 22, 2026 | July 23, 2026 |
| $75 late registration fee begins | July 6, 2026 | July 6, 2026 | August 6, 2026 |
*Current UW students (graduate, professional and postbaccalaureate students), veterans, students with disabilities, and graduating UW seniors may begin registration at 6 a.m. on April 16.
**All other class standings, including non-UW students — nonmatriculated students (students not currently seeking a degree at the UW) — new students and returning students may begin registration at 6 a.m. on April 20.
***UW faculty/staff using Tuition Exemption may register at midnight beginning June 24. Washington state employees using their exemption status may register at midnight beginning June 26.
For more information, see registration periods.
Add, Drop & Withdrawal Deadlines
For dates and deadlines regarding adding and dropping courses or withdrawing from Summer Sessions, see the Academic Calendar page.
