Explore summer courses and register.

Academic Calendar

Session Dates
Term	Dates
Full Summer Term (X)	May 20–August 9
Session A	May 20–June 28
Session B	July 1–August 9
Session G	May 20–June 14
Session J	June 17–July 12
Session H	June 3–June 28
Session R	July 1–July 26

Holidays and Special Dates
Holiday	Details
Memorial Day	No classes on May 27, University closed. Memorial Day Make-Up Day: May 31
Juneteenth	No classes on June 19, University closed. Juneteenth Make-Up Day: June 21
Independence Day	No classes on July 4, University closed. Independence Day Make-Up Day: July 5

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 20–May 24
Session A	May 20–May 24
Session B	July 1–July 8
Session G	May 20–May 25
Session J	June 17–June 21
Session H	June 3–June 7
Session R	July 1–July 5

Add/Drop with Full Refund Deadlines
Term	Dates
Full Summer Term (X)	May 20–May 24
Session A	May 20–May 24
Session B	July 1–July 8

Last Day to Drop or Withdraw from an Individual Course or Change to Pass/Fail
Term	Date
Full Summer Term (X)	July 15
Session A	June 17
Session B	July 29

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.