Do you ever wonder what determines intelligence? How male and female brains differ? Why we need sleep? The annual Arizona Regional Brain Bee competition tests your knowledge of the brain against other high school students. Questions were derived from the 2012 and 2018 versions of the book Brain Facts.
- Learn more about the 2025 USA Brain Bee Championship
- Learn more about the USA Brain Bee
Save the Date!
Join the Arizona Regional Brain Bee competition and test your knowledge against other high school students. The winner will receive up to $2000 reimbursement funds for expenses to attend the National Brain Bee competition at the University of California, Irvine on Saturday, April 25, 2026.
Date: February 18, 2026
Time:  5:00 p.m. - 9:00 p.m.
Location: 
Midwestern University
Cholla Hall
19555 North 59th Avenue
Glendale, Arizona 85308
*Registration closes February 7.
The Arizona Regional Brain Bee is funded as a result of generous financial support from BHHS Legacy Foundation, which is an Arizona charitable organization whose philanthropic mission is to enhance the quality of life and health of those it serves.
Previous Winners
Samarth Dunakhe
Arizona College Preparatory High School, Chandler, AZ
Rishi Suresh
Mountain Ridge High School, Glendale, AZ
AZ Brain Bee Winner Finishes Second at U.S. National Championship
