Winter Session 2020

October 1, 2019
Registration begins
Note: All tuition and fees must be paid in full in order for registration to be complete.
November 1, 2019
Deadline for international students taking on-campus courses to submit enrollment and visa-related materials
November 8, 2019
Registration deadline for off-campus classes (see individual class descriptions as deadlines may vary)
November 29, 2019
Registration deadline for visiting Winter Session students taking online classes
December 2, 2019
Financial aid deadline
December 16, 2019
Registration deadline for on-campus classes.
Mail-in registrations (with payment) for on-campus classes must be postmarked by this date.

Note: All tuition and fees must be paid in full in order for registration to be complete.
Registration deadline for Cornell students and employees taking online classes.
December 20, 2019
Deadline to add a class that runs December 26, 2019–January 18, 2020
December 26, 2019
- January 18, 2020
Off-campus classes (dates vary)
Online classes (dates vary)
January 2, 2020
Deadline to add a class that runs January 2–18, 2020. Instructor permission required on first day of class.
January 2-18, 2020
On-campus classes
January 2-4, 2020
$100 late registration fee applies, plus $100/week after this date
100% tuition refund for classes that run January 2 to 19, 2019
January 3, 2020
Deadline to drop a class that runs December 26, 2019–January 18, 2020
Note: If you drop a class after these dates, the letter "W" will appear on your transcript.
Deadline to change a credit or grade option for a class that runs December 26, 2019–January 18, 2020
January 5-6, 2020
50% tuition refund for classes that run January 2 to 19, 2019
January 6, 2020
Deadline to drop a class that runs January 2–18, 2020
Note: If you drop a class after these dates, the letter "W" will appear on your transcript.
Deadline to change a credit or grade option for a class that runs January 2–18, 2020
January 7, 2020
0% tuition refund for classes that run January 2 to 20, 2018
Variable dates
Course evaluation system open for students a few days before the end of class
January 16, 2020
Faculty: Grade rosters available in Faculty Center
January 18, 2020
Final exams will be held on this date, at a time to be arranged by your instructor

Three-Week 1 Summer Session 2020

March 1 - June 1, 2020
Online enrollment available for Cornell students via the Student Center. After this date, only paper enrollment forms will be accepted.
March 1 - May 3, 2020
Online enrollment available for visiting students. After this date, only paper enrollment forms will be accepted.
May 1, 2020
Deadline for financial aid applications
May 3, 2020
Last day for visiting Summer Session students to enroll and register (submit payment) for online classes
May 30, 2020
Living units open.
June 1-3, 2020
Course drop period with a 100% tuition refund
June 1, 2020
Classes begin
Last day to enroll and register (submit payment) for classes. Registration takes place in B20 Day Hall.
June 1-3, 2020
After this date, a $100 nonrefundable one-time registration fee will be charged for any course enrollment form submitted, only paper enrollment forms will be accepted, and tuition and fees will be due at time of enrollment.
June 4-5, 2020
Course drop period with a 50% tuition refund
June 6, 2020
Late-registration period ends
Course add deadline
Course drop on or after this date receives 0% tuition refund
June 7, 2020
Deadline to drop without a "W"
Deadline for credit and grade option changes
June 10, 2020
Faculty: midsession class list corrections due in the School office by noon
Variable dates
Course evaluation system open for students a few days before the end of class
June 16, 2020
Faculty: grade rosters available in Faculty Center
June 18, 2020
Classes end
June 19, 2020
Final exams
June 20, 2020
Living units close.
June 25, 2020
Faculty: grade rosters completed by noon in Faculty Center
July 4, 2020
Grades from Student Center and transcripts are available after this date

Three-Week 2 Summer Session 2020

March 1 - June 22, 2020
Online enrollment available for Cornell students via the Student Center. After this date, only paper enrollment forms will be accepted.
March 1 - May 3, 2020
Online enrollment available for visiting students. After this date, only paper enrollment forms will be accepted.
May 1, 2020
Deadline for financial aid applications
May 3, 2020
Last day for visiting Summer Session students to enroll and register (submit payment) for online classes
June 10, 2020
Faculty: midsession class list corrections due in the School office by noon
Variable dates
Course evaluation system open for students a few days before the end of class
June 16, 2020
Faculty: grade rosters available in Faculty Center
June 21, 2020
Living units open at 2:00 p.m.
June 22-24, 2020
Course drop period with a 100% tuition refund
June 22, 2020
Classes begin
Last day to enroll and register (submit payment) for classes. Registration takes place in B20 Day Hall.
After this date, a $100 nonrefundable one-time registration fee will be charged for any course enrollment form submitted, only paper enrollment forms will be accepted, and tuition and fees will be due at time of enrollment.
June 25-26, 2020
Course drop period with a 50% tuition refund
June 25, 2020
Faculty: grade rosters completed by noon in Faculty Center
June 27, 2020
Late-registration period ends
Course add deadline
Course drop on or after this date receives 0% tuition refund
June 28, 2020
Deadline to drop without a "W"
Deadline for credit and grade option changes
July 4, 2020
Grades from Student Center and transcripts are available after this date
July 9, 2020
Classes end
July 10, 2020
Final exams
July 11, 2020
Living units close.

Three-Week 3 Summer Session 2020

March 1 - July 13, 2020
Online enrollment available for Cornell students via the Student Center. After this date, only paper enrollment forms will be accepted.
March 1 - May 3, 2020
Online enrollment available for visiting students. After this date, only paper enrollment forms will be accepted.
May 1, 2020
Deadline for financial aid applications
May 3, 2020
Last day for visiting Summer Session students to enroll and register (submit payment) for online classes
June 10, 2020
Faculty: midsession class list corrections due in the School office by noon
Variable dates
Course evaluation system open for students a few days before the end of class
June 16, 2020
Faculty: grade rosters available in Faculty Center
June 25, 2020
Faculty: grade rosters completed by noon in Faculty Center
July 4, 2020
Grades from Student Center and transcripts are available after this date
July 12, 2020
Living units open.
July 13-15, 2020
Course drop period with a 100% tuition refund
July 13, 2020
Classes begin
Last day to enroll and register (submit payment) for classes. Registration takes place in B20 Day Hall.
After this date, a $100 nonrefundable one-time registration fee will be charged for any course enrollment form submitted, only paper enrollment forms will be accepted, and tuition and fees will be due at time of enrollment.
July 16-17, 2020
Course drop period with a 50% tuition refund
July 18, 2020
Late-registration period ends
Course add deadline
Course drop on or after this date receives 0% tuition refund
July 19, 2020
Deadline to drop without a "W"
Deadline for credit and grade option changes
July 30, 2020
Classes end
July 31, 2020
Final exams
August 1, 2020
Living units close.

Eight-Week Summer Session 2020

March 1 - June 8, 2020
Online enrollment available for Cornell students via the Student Center. After this date, only paper enrollment forms will be accepted.
March 1 - May 3, 2020
Online enrollment available for visiting students. After this date, only paper enrollment forms will be accepted.
May 1, 2020
Deadline for financial aid applications
May 24, 2020
Last day for visiting Summer Session students to enroll and register (submit payment) for online classes
June 7, 2020
Living units open at 2:00 p.m.
June 8 - August 4, 2020
Eight-week Summer Session
June 8, 2020
Classes begin
Last day to enroll and register (submit payment) for classes. Registration takes place in B20 Day Hall.
After this date, a $100 nonrefundable one-time registration fee will be charged for any course enrollment form submitted, only paper enrollment forms will be accepted, and tuition and fees will be due at time of enrollment.
June 8-10, 2020
Course drop period with a 100% tuition refund
June 11-12, 2020
Course drop period with a 50% tuition refund
June 13, 2020
Course drop on or after this date receives 0% tuition refund
July 3, 2020
No classes (Independence Day observed)
July 4, 2020
Faculty: midsession class list corrections due in the School office by noon
July 5, 2020
Deadline for credit and grade option changes
Deadline to drop without a "W"
Variable dates
Course evaluation system open for students a few days before the end of class
July 31, 2020
Last day of classes
August 2, 2020
Faculty: grade rosters available in Faculty Center
August 3-4, 2020
Final exam period
August 5, 2020
Living units close.
August 9, 2020
Faculty: grade rosters completed by noon in Faculty Center
August 16, 2020
Grades from Student Center and transcripts are available after this date

Six-Week Summer Session 2020

March 1 - June 22, 2020
Online enrollment available for Cornell students via the Student Center. After this date, only paper enrollment forms will be accepted.
March 1 - May 3, 2020
Online enrollment available for visiting students. After this date, only paper enrollment forms will be accepted.
May 1, 2020
Deadline for financial aid applications
May 24, 2020
Last day for visiting Summer Session students to enroll and register (submit payment) for online classes
June 21, 2020
Living units open.
June 22-24, 2020
Course drop period with a 100% tuition refund
June 22, 2020
Classes begin
Last day to enroll and register (submit payment) for classes. Registration takes place in B20 Day Hall (except Physical Education courses. See below).
June 22 - August 4, 2020
Six-week Summer Session
June 22, 2020
After this date, a $100 nonrefundable one-time registration fee will be charged for any course enrollment form submitted, only paper enrollment forms will be accepted, and tuition and fees will be due at time of enrollment.
June 24, 2020
See the CU Physical Education site for registration information.
June 25-26, 2020
Course drop period with a 50% tuition refund
June 27, 2020
Late-registration period ends
Course drop on or after this date receives 0% tuition refund
Course add deadline
July 3, 2020
No classes (Independence Day)
July 12, 2020
Faculty: midsession class list corrections due in the School office by noon
Deadline for credit and grade option changes
Deadline to drop without a "W"
Variable dates
Course evaluation system open for students a few days before the end of class
July 31, 2020
Last day of classes
August 2, 2020
Faculty: grade rosters available in Faculty Center
August 3-4, 2020
Final exam period
August 5, 2020
Living units close at 4:00 p.m.
August 9, 2020
Faculty: grade rosters completed by noon in Faculty Center
August 16, 2020
Grades from Student Center and transcripts are available after this date

Summer Session Special Programs 2020

First day of class
Registration deadline
Variable dates
Special Program
Last day of class
Final exams
August 2, 2020
Faculty: grade rosters available in Faculty Center
August 9, 2020
Faculty: grade rosters completed by noon