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.

Registration Deadlines

	Full Sesion	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 students can register starting on May 20.

**Restrictions or prerequisites may apply. See the Time Schedule for specific course details.

Add, Drop & Withdrawal Deadlines

For dates and deadlines regarding adding and dropping courses or withdrawing from Summer Sessions, see the table on the Academic Calendar page.