How do I earn my CEUs? When you check-in for the conference you will receive a "Passport"; at each session you attend, you will receive a stamp. How many CEUs can I earn? You may earn up to 5 CEUs for your participation at GEOFEST Minnesota by attending 4 breakout sessions and the keynote address. When will I recieve my CEUs? At the end of the workshop day, you will turn in your passport at the GEOFEST check-out area; a CEU certificate will be mailed to you the following week. Note: Pre-service teachers are not eligible for a CEU certificate.