The semester-based academic calendar provides students, faculty and staff with important dates and deadlines.

  • Semester start and end dates
  • registration
  • course add/drop/withdraw deadlines
  • reading days and final exams
  • breaks and holidays
  • future academic calendars

Every reasonable attempt is made to ensure the accuracy and completeness of this calendar. Dates can change without notice when circumstances warrant, and the calendar is updated accordingly. Individual schools may also have their own specific dates and deadlines, as it is not uncommon for the graduate and professional programs to follow different deadlines.

View Current & Future Academic Calendars
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Graduate Business, 2026 Summer Semester
Graduate Business
2026 Summer Semester
May 15
First day of Half A classes for Olin Business School
First day of Half A classes for Olin Business School

Please note: Half A classes which will meet regularly on Mondays during the summer will have their first class on Friday, May 15, followed by the second class on Monday, May 18, 2025.

May 18
First day of Summer Session I
First day of Summer Session I

Please note dates may vary by school, please check your specific school’s calendar.

The Olin Business School Summer Semester Start date is Friday, May 15, 2026.

May 18
Last day to add/wait/drop (D) on Half A classes
May 20
Last day to Add/Drop (D) a Summer Session I class
May 25
Memorial Day Holiday - No Classes
May 25
Last day to change grade option for Half A classes
May 25
Last day to add/wait/drop (D) for Olin Business School regular session classes
May 29
Last day to change grade option or withdraw for Summer Session I Classes
June 1
Last day to withdraw (W) from Half A classes
Last day to withdraw (W) from Half A classes

A “W” will appear on an official transcript.

June 1
Last day to change grade option for Olin Business School regular session classes
June 5
Last day of Summer Session I classes
June 8
Summer Sessions II & III begin
June 10
Last day to Add/Drop (D) on Summer Session II Classes
June 15
Last day to Add/Drop (D) for Summer Session III classes
June 25
Last day of Half A classes for Olin Business School
June 26-July 2
Final Exams for Half A classes for Olin Buisness School
July 1
Last Day to Apply for Summer 2026 Program Completion
July 3
Independence Day Holiday Observed - No Classes
July 6
First day of Half B classes for Olin Business School
July 6
Last day to change grade option or withdraw from Summer Session II classes
July 10
Last day of Summer Session II classes
July 13
Summer Session IV Begins
July 13
Last day to add/drop for Half B classes
July 15
Last day to Add/Drop with a "D" for Summer Session IV classes
July 20
Last day to change grade option for Half B classes
July 21
Last day to change grade option or withdraw for Summer Session III classes
July 24
Last day to withdraw (W) from regular session classes
Last day to withdraw (W) from regular session classes

Classes dropped after this date will be assigned a withdrawal “W”.

July 27
Last day to withdraw (W) from Half B classes
Last day to withdraw (W) from Half B classes

A “W” will appear on an official transcript.

July 31
Last day of Summer Session III classes
August 7
Last day to change grade option or withdraw for Summer Session IV classes
August 10
Last day of Half B and regular session classes
August 11-20
Final exams for Half B and regular session classes for the Olin Business School
August 13
Dissertation submission deadline
August 13
Summer Session IV Ends
August 13
Summer 2026 Degree Date
View Prior Academic Calendars

2023 – 2024

2022 – 2023

2021 – 2022

2020 – 2021

2019 – 2020