Ohio State Academic Calendar 2025 2025 Spring. Our academic calendar covers the important dates for financial aid, registration, holidays, and campus closures. Odu operates on a semester system composed of two terms, fall and spring.

Priority financial aid application and sap appeals deadline. Last day to add a spring full semester class (instructor’s permission required).if a student is trying to register for a class and is not able to get into it via the my ohio student center,.