Join us at Regeneron ISEF 2025 in Columbus, Ohio!
From May 10-16, 2025, top STEM students from around the world will be gathering in Columbus, Ohio, for the Regeneron International Science and Engineering Fair, the world’s largest international STEM research competition for high school students. This year, we will be celebrating ISEF’s 75th anniversary!
Be a part of Regeneron ISEF 2025:
- Compete at Regeneron ISEF:Â Find your local science fair.
- Learn about the 22 project categories.
- Volunteers are critical to the fair:Â Learn more about volunteering.
- Serve as a Grand Awards Judge:Â Learn more about judging.
- Support the fair as a sponsor: Join the ISEF community.
Compete
Competing at Regeneron ISEF starts at a Society-affiliated fair.
Official rules and guidelines for competition.
Project Material Guidelines for Regeneron ISEF
Answers to questions for students, parents and teachers.
Definitions and details of the categories of competition.
Searchable database of abstracts from 2014 to 2024.
Science Fair: The Series
Regeneron ISEF is on a small screen near you!
Be sure to tune in for Science Fair: The Series on the National Geographic channel and streaming on Disney+ and Hulu.
Watch this gripping three-part docuseries that follows the ups and downs of young innovators, engineers and scientists on their way to the Regeneron International Science and Engineering Fair.
Learn more about the finalists and their research
Learn more about getting involved
View the TrailerAffiliated Fairs
The Society’s network of affiliated science fairs around the globe are critical to the success of Regeneron ISEF and Thermo Fisher Scientific Junior Innovators Challenge.
Resources for science fair personnel include:
- Affiliated Fair Dashboard
- Affiliated Fair Guidelines
- Resources for Science Fair Management
- Standards for Science Fairs