## May 19 - First day of 2026 Spring/Summer term classes - Tuition payment deadline for 6-week and 12-week 2026 Spring/Summer courses that begin courses that begin May 19 ## May 25 - Last day withdraw for 100% tuition refund on 6-week courses that began the week of May 19, 2026 - Last day to submit grade appeals for Winter 2026 term courses ## Others - Registeration Period for Spring/Summer - April 09 - July 13 For more [info](https://www.ocadu.ca/student-services/office-registrar/dates-and-deadlines)