Important Dates and Events* *Deadlines are at 9:00pm CT View Accessible Version 31 Mar Last day to change grade option to a P or A (pass-fail or audit) or to C on Mini B courses. From March 31, 2025 at 12:00 am to April 1, 2025 at 12:00 am 04 Apr Last day to drop with a W (withdrawal) or change grade option to C on full semester courses From April 4, 2025 at 12:00 am to April 5, 2025 at 12:00 am 07 Apr Last day to withdraw W on Mini B courses From April 7, 2025 at 12:00 am to April 8, 2025 at 12:00 am 15 Apr Registration begins for Class of 2025 or earlier From April 15, 2025 at 12:00 am to April 16, 2025 at 12:00 am 16 Apr Registration begins for Class of 2026 From April 16, 2025 at 12:00 am to April 17, 2025 at 12:00 am Useful calendars Important Academic Dates Olin Business School Events University Registrar Religious Holidays Calendar WUGO
31 Mar Last day to change grade option to a P or A (pass-fail or audit) or to C on Mini B courses. From March 31, 2025 at 12:00 am to April 1, 2025 at 12:00 am
04 Apr Last day to drop with a W (withdrawal) or change grade option to C on full semester courses From April 4, 2025 at 12:00 am to April 5, 2025 at 12:00 am
07 Apr Last day to withdraw W on Mini B courses From April 7, 2025 at 12:00 am to April 8, 2025 at 12:00 am
15 Apr Registration begins for Class of 2025 or earlier From April 15, 2025 at 12:00 am to April 16, 2025 at 12:00 am
16 Apr Registration begins for Class of 2026 From April 16, 2025 at 12:00 am to April 17, 2025 at 12:00 am