Sunday, May 3

• Move-In Day and Orientation
• 2pm CDT Move-In Day
• 3pm CDT Cowboy Cookout

Monday, May 4

• Summer Classes Begin - Full Semester & First Half
• 11am CDT Welcome Back Lunch
• 5pm CDT Cowboy Trivia
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Tuesday, May 5

• 11am CDT Taco Tuesday
• 5:30pm CDT Dodgeball

Wednesday, May 6

• Last Day to Add 1st Half Classes, Unrestricted
• 1pm CDT Free Massage

Thursday, May 7

• Last Day to Add First Half Classes, Restricted
• Last Day to Drop with Refund, 1st Half Classes
• 9am CDT Middle School Day
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Friday, May 8

• Last Day to Add Full Semester Classes, Unrestricted

Saturday, May 9

• 9am CDT Pete's Garage 2026 Guest & Student Registration
• 9am CDT Pete's Garage: Car, Truck & Tractor Show

Tuesday, May 12

• 5:30pm CDT Flag Football

Wednesday, May 13

• Last Day to Add Full Semester Classes, Restricted
• 11:30am CDT Military Appreciation Lunch
• 5:30pm CDT Flag Football

Thursday, May 14

• Last Day to Drop with Refund, Full Semester Classes
• 11:30am CDT Club Roundtable
• 5pm CDT Main Event Student Night

Friday, May 15

• 4pm CDT Non-Attendance Reporting Deadline (4pm)

Tuesday, May 19

• 5:30pm CDT Pickleball

Wednesday, May 20

• 1pm CDT Free Massage

Thursday, May 21

• 11am CDT Cowboy Chef's Table Series with Teresa Parrott
• 6pm CDT Okmulgee County Democratic Party

Monday, May 25

• Memorial Day

Wednesday, May 27

• 9am CDT OBI Blood Drive

Thursday, May 28

• 6pm CDT Super Smash Bros Tournament

Friday, May 29

• 8:30am CDT Orientation and Enrollment Day

Saturday, May 30

• 8:30am CDT Orientation and Enrollment Day