Science Competitions
A guide to major U.S. science fairs and research competitions — what they are, who they're for, and when to apply.
⚠️ Deadlines change every year. The timelines below are general guidance — always confirm on the official website.
Top National Competitions
Regeneron ISEF
For: Grades 9–12The world's largest pre-college science & engineering fair.
Regeneron Science Talent Search (STS)
For: Grade 12 (seniors)The oldest and most prestigious U.S. science research competition for seniors.
Junior Science & Humanities Symposium (JSHS)
For: Grades 9–12Present your research at regional symposia, then advance to nationals.
Thermo Fisher JIC (formerly Broadcom MASTERS)
For: Grades 6–8 (middle school)The premier U.S. STEM competition for middle-schoolers.
Elite Competitions & Scholarships
Davidson Fellows Scholarship
For: Under 18$10,000–$50,000 scholarships for significant, original work.
MIT THINK Scholars
For: Grades 9–12Submit a project proposal for MIT student mentorship and funding.
Conrad Challenge
For: Grades 6–12Solve real-world problems through innovation and entrepreneurship.
GENIUS Olympiad
For: High schoolAn international high-school competition themed around the environment.
State / Regional Fairs
ISEF-Affiliated Fair (your region)
For: Varies by fairFind your state/regional fair — the on-ramp to ISEF (e.g., Indiana's IAS STS).