Niu Academic Calendar 2025-2025. Niu deans list fall 2025. Use the official academic calendar to find out the most important dates—including the first day of class, the last day you can drop a class with an automatic w, refund dates, and more.

Last day for undergraduates to change or declare a major to be effective for the summer session (summer 2025), powered by concept3d event calendar. Northern illinois university events updated every day.