For more information on registration and the Tiers, please refer to ISBE's Weekly message from August 25, 2020. The information is in the right-hand sidebar under Student Opportunities.
The 2021 USA Biolympiad (USABO) is a competition for high school students who are passionate about biology. The competition has four tiers. The first tier, 50-minute Open Exam, is open to all students nationwide.