| Calendars | Columbia University School of Professional Studies

Session Dates

Main Sessions	Dates
Session 1 (D)	May 26–July 2
Session 2 (Q)	July 6–August 14
12-Week Session (X)	May 26–August 14

Special Session Dates For Arabic, Biological Science, and Russian Courses	Dates
Session C	May 26–June 26
Session E	May 26–July 24
Session F	June 1–July 2
Session G	May 26–June 19
Session H	June 8–July 2
Session J	June 22–July 17
Session R	July 6–July 31

Holidays and Special Dates

Memorial Day Holiday

No classes on May 25; University closed.

Students whose classes meet on Mondays in Session D (May 26 - July 2, 2020) or in Session X (May 26 - Aug 14, 2020) will have an altered first week of classes as follows: Friday, 5/29 will replace your Monday, 5/25 course meeting. The remaining class meetings will be on Mondays, thereafter.

Independence Day Holiday

No classes on July 3; University closed.

Registration Dates

Main Session Registration	Dates
Session 1 (D)	February 25–May 26
Session 2 (Q)	February 25–July 6
12-Week Session (X)	February 25–May 26

Special Session Registration For Arabic, Biological Science, and Russian Courses	Dates
Session C	February 25–May 26
Session E	February 25–May 26
Session F	February 25–June 1
Session G	February 25–May 26
Session H	February 25–June 8
Session J	February 25–June 22
Session R	February 25–July 6

Late Registration

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.

Main Session Late Registration	Dates
Session 1 (D)	May 27–June 1
Session 2 (Q)	July 7–July 10
12-Week Session (X)	May 27–June 1

Special Session Late Registration For Arabic, Biological Science, and Russian Courses	Dates
Session C	May 27–June 1
Session E	May 27–June 1
Session F	June 2–June 5
Session G	May 27–June 1
Session H	June 9–June 12
Session J	June 23–June 26
Session R	July 7–July 10

Registration Instructions

Visiting Students	Upon acceptance, your registration form is accessible through your admissions email.	See Details >
Columbia and Barnard Students	You do not need to apply for Summer courses; you may simply register.	See Details >
Adult & Professional Students	Upon acceptance, your registration form is accessible through your admissions email.	See Details >

Add/Drop and Withdrawal

Drop with Refund Deadlines

The last day to drop an individual course or withdraw for a full refund is the final day of the Change of Program Period, listed below.*

Main Sessions	Change of Program Period*
Session 1 (D)	May 27–June 1
Session 2 (Q)	July 7–July 10
12-Week Session (X)	May 27–June 1

Special Session Dates For Arabic, Biological Science, and Russian Courses	Change of Program Period*
Session C	May 27–June 1
Session E	May 27–June 1
Session F	June 2–June 5
Session G	May 27–June 1
Session H	June 9–June 12
Session J	June 23–June 26
Session R	July 7–July 10

* Last day to drop a course or withdraw for full refund. By 4:00 PM. This is the last day for students to receive a full refund if they withdraw from the Summer Sessions by dropping all of their courses in a given session. Students may be eligible for a partial refund after this date. There is no refund for individual courses dropped after this date.

Drop or Pass/Fail Deadlines

The last day to drop an individual course (with no refund) or select Pass/Fail, listed below.*

Main Sessions	Last Day to Drop a Course or Change to Pass/Fail**
Session 1 (D)	June 22
Session 2 (Q)	August 3
12-Week Session (X)	July 20

Special Session Dates For Arabic, Biological Science, and Russian Courses	Last Day to Drop a Course or Change to Pass/Fail**
Session C	June 15
Session E	July 6
Session F	June 22
Session G	June 10
Session H	June 24
Session J	July 8
Session R	July 22

** Last day to drop a course. By 4:00 PM. No refund. This date is also the last day to change to the pass/fail grading option.

Add/Drop and Withdrawal Instructions

Visiting Students	See Details >
Columbia and Barnard Students	See Details >
Adult & Professional Students	See Details >