Dates and Deadlines
2026 Session Dates
Programs:
- Visiting – Undergraduate
- Visiting – Graduate
- Visiting – Postbaccalaureate
- Postbaccalaureate- Faculty and Research Officers
- 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
| Session | Dates | Application Deadlines |
|---|---|---|
| Session A | May 25–July 3 Classes begin on May 26 | Priority/ Application Fee Waiver Deadline: January 15 Visiting Merit Fellowship Deadline: January 15 Suggested International Deadline: March 20 Final Published Deadline: April 17 |
| Session B | July 6–August 14 | Priority/ Application Fee Waiver Deadline: January 15 Visiting Merit Fellowship Deadline: January 15 Suggested International Deadline: May 1 Final Published Deadline: May 22 |
| Session X | May 25–August 14 Classes begin on May 26 | Priority/ Application Fee Waiver Deadline: January 15 Visiting Merit Fellowship Deadline: January 15 Suggested International Deadline: March 20 Final Published Deadline: April 17 |
Program: Arabic Summer Program
| Session | Dates | Application Deadlines |
|---|---|---|
| Session G | May 26–June 20 Classes begin on May 27 | Priority/ Application Fee Waiver Deadline: January 15 Suggested International Deadline: March 20 Final Published Deadline: April 17 |
| Session J | June 23–July 18 | Priority/ Application Fee Waiver Deadline: January 15 Suggested International Deadline: March 20 Final Published Deadline: April 17 |
Program: Russian Practicum
| Session | Dates | Application Deadlines |
|---|---|---|
| Session H | June 9–July 4 | Priority/ Application Fee Waiver Deadline: January 15th Suggested International Deadline: March 20 Final Published Deadline: April 17 |
| Session R | July 7–August 1 | Priority/ Application Fee Waiver Deadline: January 15 Suggested International Deadline: May 1 Final Published Deadline: May 22 |
Application Notes:
- Applicants who submit early have the best selection of available courses. You will have priority access to enroll when registration opens.
- Students who require an F-1 visa or who have international transcripts are strongly advised to apply by the Suggested International Deadlines. 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.
- Completed applications are reviewed on a rolling basis.
- If it is past the deadline and you have questions about the term, please contact summersession [at] columbia [dot] edu (summersession[at]columbia[dot]edu).
Please note the University is closed on Monday, May 25th in observance of the Memorial Day holiday. Friday, May 29th is the scheduled makeup date for Monday's classes.