2025 Regionals was on February 22nd, 2025 at San Diego Miramar College.
We will update once 2026 details are announced
Science Olympiad Official Website
Science Olympiad Events for 2026
The 2026 Division B rules are now available Here
Anatomy and Physiology
Disease Detectives
Water Quality
Entomology
Heredity
Dynamic Planet
Solar System
Meteorolgy
Remote Sensing
Rocks and Minerals
Circuit Lab
Potions and Poisons
Crime Busters
Hovercraft
Machines
Helicopter
Mission Possible
Scrambler
Boomilever
Codebusters
Experimental Design
Metric Mastery
Write It Do It