Registration Details

Summer 2023 course browsing opens Wednesday, February 1.
Registration opens Wednesday, March 29.

WashU Undergraduate & Post-Baccalaureate Students

Matriculated Washington University undergrad & post-bacc students register for Arts & Sciences summer courses directly through WebSTAC.

Domestic Visiting Students

Undergraduates in good academic standing attending a US college or university are welcome to register through the visiting student program. Prior to registration, we strongly encourage you to consult with your home institution advisor to discuss courses and transfer credit procedures.

International Visiting Students 

International students currently studying on an F-1 or J-1 visa sponsored by a US college or university may register through the visiting student program. You will be required to provide the following official documents before your request is reviewed:

  1. Official I-20 or DS-2019
  2. Official I-94
  3. Official score report from TOEFL or IELTS
  4. Transcript of record from home institution

If you have questions about your current visa status, please contact the Office of International Students and Scholars.

International students not currently studying in the US may receive consideration to register for the visiting student program. These requests will be reviewed on a case-by-case basis.

Pre-College Students

Middle and high school students should visit Pre-College Programs to review information about admission and registration.

Continuing Education Students

Adult learners or professionals interested in taking summer courses at Washington University should visit University College to review information about registration.

Summer Session Timeline

Course Browsing Opens

View course offerings and details starting Wednesday, February 1, 2023.

Course Registration Opens

Officially enroll in any of our 100+ summer course options beginning Wednesday, March 29, 2023.

Summer Session I Begins

Session I is a 3-week session from May 22 - June 9.

Summer Sessions II & III Begin

Session II is a 5-week session from June 12 - July 14. Session III is an 8-week session from June 12 - August 4.

Summer Session IV Begins

Session IV is a 5-week session from July 17 - August 17.

How will you spend your summer?

Summer 2023 course browsing opens Wednesday, February 1. Registration opens Wednesday, March 29.

View Course Options

Are you a Domestic or International Visiting Student?

Learn more about our Visiting Student Program and submit your enrollment request form.

Visiting Student Enrollment Request

Sessions, Dates & Deadlines



Session I
May 22 - Jun 9

Session II
Jun 12 - Jul 14

Session III
Jun 12 - Aug 4

Session IV
Jul 17 - Aug 17

Last day to Add/Drop (with a "D") and receive 100% refund

May 24

June 14

June 19

July 19

Last day to Drop ("W" on transcript) and receive a 50% refund (no refunds given after this date)

May 26

June 16

June 26

July 21

Last day to Change Grade Option or Withdraw from courses

June 2

July 7

July 21

August 11

Session V (special session) dates and deadlines are available in the PDF linked below.

View the Registration and Refund Schedule as a PDF


Summer 2023 Tuition & Fees

Arts & Sciences ("L") Course Tuition

  • Undergraduate: $1180/unit ($3540/3-unit course)
  • Graduate: $1420/unit ($4260/3-unit course)

Potential Additional Fees (subject to change)

  • Lab/Materials Fees: $15 - $350
  • Late Payment: 5% of the outstanding balance (minimum $50)

Tuition and fees are listed with each course in the WebSTAC registration portal.

Payment Options

WashU Undergraduate Students

Charges for Summer Session courses will appear on an electronic billing statement, accessible by logging in to WebSTAC. Generally, the outstanding balance is due on or near the 20th of the following month, unless other arrangements have been made. Unpaid bills will result in a financial hold being placed on the student's account.

WashU Post-Baccalaureate Premedical Program Students

Please view the PBPM WebSTAC Course Registration and Billing Guide for additional information.

Domestic & International Visiting Students

Registrations are to be paid in full to secure a seat in a course. Students may pay by debit/credit card or provide an approved alternate method of payment (i.e. financial aid consortium agreement, military benefit, etc.). At this time, we cannot accept check or cash payments.

More questions before you register?

Frequently Asked Questions