Summer Session Registration is now open!

Summer Session Registration is now open! Columbia University students register through Vergil, Visiting Students apply now. Learn more.

Dates and Deadlines

2025 Session Dates

Programs:

  • Visiting – Undergraduate
  • Visiting – Graduate
  • Visiting – Postbaccalaureate
  • Arts in the Summer
  • Certificate in Ecology, Evolution, and Environmental Biology 
  • Certificate in Quantitative Studies for Finance 
  • CPA in Critical Issues in International Relations
  • CPA in Human Rights
  • CPA in United Nations Studies

 

SessionDatesApplication Deadlines
Session A

May 26–July 4

Classes begin on May 27
Make-up day for Memorial Day is May 30

Application Fee Waiver & Priority Deadline:  
January 15

Visiting Student Merit Fellowship Deadline: 
January 15

Suggested International Deadline 
(Applicants with International Documents):
March 20

Final Deadline (All Applicants):
April 17

Session BJuly 7–August 15

Application Fee Waiver & Priority Deadline:  
January 15

Visiting Student Merit Fellowship Deadline: 
January 15

Suggested International Deadline 
(Applicants with International Documents):
May 1

Final Deadline (All Applicants):
May 22

Session X

May 26–August 15

Classes begin on May 27
Make-up day for Memorial Day is May 30

Application Fee Waiver & Priority Deadline:  
January 15

Visiting Student Merit Fellowship Deadline: 
January 15

Suggested International Deadline 
(Applicants with International Documents):
March 20

Final Deadline (All Applicants):
April 17

Program: Arabic Summer Program

 

SessionDatesApplication Deadlines
Session G

May 26–June 20

Classes begin on May 27
Make-up day for Memorial Day is May 30

Application Fee Waiver & Priority Deadline:  
January 15

Suggested International Deadline 
(Applicants with International Documents):
March 20

Final Deadline (All Applicants):
April 17

Session JJune 23–July 18

Application Fee Waiver & Priority Deadline:  
January 15

Suggested International Deadline 
(Applicants with International Documents):
May 1

Final Deadline (All Applicants):
May 22

Program: Russian Practicum

 

SessionDatesApplication Deadlines
Session HJune 9–July 4

Application Fee Waiver & Priority Deadline:  
January 15

Suggested International Deadline 
(Applicants with International Documents):
March 20

Final Deadline (All Applicants):
April 17

Session R July 7–August 1

Application Fee Waiver & Priority Deadline:  
January 15

Suggested International Deadline 
(Applicants with International Documents):
May 1

Final Deadline (All Applicants):
May 22

Application Notes: 

  1. Applicants who submit early have the best selection of available courses. You will have priority access to enroll when registration opens.
  2. Students who require an F-1 visa or who have international transcripts are strongly advised to apply by this date. This date is suggested to ensure you have enough time for student visa processing. You may refer to this website to review the current visa appointment wait times.
  3. Completed applications are reviewed on a rolling basis.
  4. If it is past the deadline and you have questions about the term, please contact summersession [at] columbia [dot] edu

Please note the University is closed on Monday, May 26th in observance of the Memorial Day holiday. Friday, May 30th is the scheduled makeup date for Monday's classes.

Visiting Student Course Registration Dates

Academic Calendar