Photo of calendar

Co-op Summer Session Dates and Deadlines

Co-op Summer Session dates for 2019:

Session I - May 23-July 3
Session II - July 4-August 14

Classes are scheduled for Memorial Day (May 27) and Independence Day (July 4).

2019 Online Enrollment: March 1-May 3, 2019

Enroll on-line through University Summer Session. Students enrolling after March 1-May 3 (online enrollment period) will be charged a $100 late enrollment fee. Add/Drop must be done by filling out a paper form in 201 Carpenter Hall. There is no fee for adding or dropping classes between March 1 and May 3 (online enrollment period), as long as you have enrolled during the enrollment period.  

Registration Deadline: May 23 (payment due in full at this time). Representatives from the Bursar’s Office, Financial Aid, and University Summer Session are available for assistance. For information about Cornell student health insurance requirements and Student Health Benefits, please visit  

Financial Aid application deadline for Co-op Summer Session is March 1st.

Financial aid application requirements for Co-op students are the same as those for any continuing student, except that the application deadline is March 1. Your summer aid package will be similar to your standard semester aid award. Awards are based on your tuition plus allowances for room, board, personal expenses, and books.

NOTE: You can start your financial aid application as early as January 2019 (suggested). 2017 tax documents will be needed for the application.

2018 Refund Schedule

Use Change of Enrollment Forms in 201 Carpenter Only-No Online Add/Drop

Refund AmountSession ISession II
100%Thursday, May 23-Tuesday, May 28Thursday, July 4-Monday, July 8
50%Wednesday, May 29-Thursday, May 30Tuesday, July 9-Wednesday, July 10
0%Friday, May 31 or laterThursday, July 11 or later


Summer Add/Drop Deadlines

Students taking Co-op Summer Session classes may ONLY make changes to their schedules via PAPER. Add/Drop forms are available in 201 Carpenter Hall.

Summer 2018 Add/Drop ScheduleSession ISession II
Last day to add without needing instructor supportMay 29July 10
Last day for grade change optionMay 29July 10
Last day to drop without a petition (no "W" on transcript)June 5July 17
Last day to drop with a "W" on transcript by petitionJune 12July 24