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鈥檚 largest international STEM research competition for high school students. This year, we will be celebrating ISEF鈥檚 75th anniversary!

Be a part of Regeneron ISEF 2025:

Regeneron ISEF 2025 - Columbus, Ohio - the 75th anniversary of ISEF logo nebular

Compete

Competing at Regeneron ISEF starts at a Society-affiliated fair.

Official rules and guidelines for competition.

International Rules and Guidelines

Project Material Guidelines for Regeneron ISEF

Answers to questions for students, parents and teachers.

Frequently Asked Questions

Definitions and details of the categories of competition.

Categories and Subcategories

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

Science Fair: The Series

Affiliated 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
Find Resources for Affiliated Fairs

From the Society Blog

Matthew Yao taking a selfie with a room full of Education Outreach Day attendees, 2024 ISEF, Los Angeles
The four panelists of the Innovation, Entrepreneurship and Impact Panel, along with moderator, Maya Ajmera
Ed Outreach Day 2024 at ISEF Los Angeles

Questions?

Thank You to the Sponsors of ISEF 2024

ISEF 2024 Sponsors