Fuel Curiosity. Inspire STEM Leaders.
OSSEF 2026 Turn curiosity into a research or design project, gain new skills, compete for prizes.
The 68th annual Oklahoma State Science and Engineering Fair will be held on Friday, March 27, 2026 at OSU in Stillwater. We cannot wait to hear exciting and creative research from Oklahoma's next generation of scientists and engineers! Registration for OSSEF qualifiers will open in early-February and close on March 3, 2026.
OSSEF CategoriesQualifying for OSSEF
starts with a regional fair.
Oklahoma offers eight regional science and engineering fairs annually. Students qualify for OSSEF by competing and advancing from their nearest regional fair.
OSSEF Impacts for 2025 OSSEF unites students, educators, professionals, and community members around a shared passion for discovery, innovation, and strengthening Oklahoma's STEM future.
OSSEF Partners
expand their impact on our future STEM leaders.
OSSEF students and teachers come from all over Oklahoma to share their exciting research, connect with STEM experts and fuel their curiosity. Partner with OSSEF to expand your reach and inspire these incredible young people to stay connected to STEM for years to come.