Academic Calendar

2026

Session Dates
Term	Dates
Full Summer Term (X)	May 25–August 14 Classes begin on May 26 Make-up day for Memorial Day is May 29
Session A	May 25–July 3 Classes begin on May 26 Make-up day for Memorial Day is May 29
Session B	July 6–August 14
Session G	May 25–June 19 Classes begin on May 26 Make-up day for Memorial Day is May 29
Session J	June 22–July 17
Session H	June 8–July 3
Session R	July 6–July 31

Holidays and Special Dates
Holiday	Details
Memorial Day	No classes on May 25, University closed. Memorial Day Make-Up Day: May 29
Juneteenth	No classes on June 19, University closed. Juneteenth Make-Up Day: N/A
Independence Day	No classes on July 3, University closed. Independence Day Make-Up Day: N/A
Course Registration Opens	All Sessions: March 3
Reading Day	Session A: June 26 (No classes) Session B/X: August 12 (No classes)
Final Exams	Exams held during normally scheduled class time. Session A: July 1 (M/W classes) and July 2 (T/R classes) Session B/X: August 13 (T/R classes) and August 14 (M/W classes)

Late Registration Dates
Late registration, which is the same for all students, takes place on the second, third, fourth, and fifth days of each session. For some courses, permission from the instructor may be required. A $50.00 fee will be charged during the late registration period. A $100.00 fee will be charged after the late registration period.
Term	Dates
Full Summer Term (X)	May 26–June 1
Session A	May 26–June 1
Session B	July 6–July 10
Session G	May 26–June 1
Session J	June 22–June 26
Session H	June 8–June 12
Session R	July 6–July 10

Add/Drop with Full Refund Deadlines
Term	Dates
Full Summer Term (X)	May 26–June 1
Session A	May 26–June 1
Session B	July 6–July 10

Last Day to Drop or Withdraw from an Individual Course or Change to Pass/Fail
Term	Date
Full Summer Term (X)	July 20
Session A	June 22
Session B	August 3

Columbia Student Course Registration Dates

Registration, add/drop, and withdrawal deadlines.

Visiting Student Admissions Deadlines

Application deadlines and program dates.

Visiting Student Course Registration Dates

Registration, add/drop, and withdrawal deadlines.