You should receive the first email from commencement around February 24th!
Check your junk folder just in case. If you have not heard from commencement by then, please email commencement@purdue.edu and let them know.
Student List of Graduation Communications
Please make sure to read all emails and check out the announcements from Commencement. You should receive notice from commencement. Make sure to meet all deadlines so you can be sure you are able to participate in the graduation ceremony.