The final stage of the Middle School and Elementary School Divisions of the National Science Bee is the annual Middle/Elementary School National Championships.

International Academic Competitions is excited to announce that the 2023 Middle and Elementary School US National Championships of the National Science Bee will be held during the IAC Middle/Elementary School National Championships, being held June 1-4, 2023 at the Crystal Gateway Marriott and Hyatt Regency Crystal City in Arlington, VA. Please visit ems.iacnationals.com/ for more information.

The National Championships of the National Science Bee consists of six preliminary and up to four rounds of buzzer-based quiz competition. Each preliminary round will have 30 questions and will follow the IAC Championships Individual Event Preliminary Rounds Scoring System and Rules. The four playoff rounds will follow the IAC Championships Individual Event Playoffs Scoring System and Rules and will have 35 questions each.