Summer Session key dates

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
Variable dates
Course evaluation system open for students a few days before the end of class
June 18, 2020
Classes end
June 19, 2020
Final exams
June 20, 2020
Living units close.
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
Variable dates
Course evaluation system open for students a few days before the end of class
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 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
Variable dates
Course evaluation system open for students a few days before the end of class
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 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 3-4, 2020
Final exam period
August 5, 2020
Living units close.
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
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 3-4, 2020
Final exam period
August 5, 2020
Living units close at 4:00 p.m.
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