Oklahoma State University Calendar Spring 2025. This offer is available to the first 100 students who enroll for each eligible semester (summer 2025, fall 2025 and spring 2025). First day of maymester classes may 6, 2025 final day to add a maymester class without.

This offer is available to the first 100 students who enroll for each eligible semester (summer 2025, fall 2025 and spring 2025). (exact date to be determined by the u.s.