Regeneron International Science and Engineering Fair

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 75^th anniversary!

Be a part of Regeneron ISEF 2025:

Compete at Regeneron ISEF: Find your local science fair.
Learn about the 22 project categories.
Volunteers are critical to the fair: Learn more about volunteering.
Serve as a Grand Awards Judge: Learn more about judging.
Support the fair as a sponsor: Join the ISEF community.

Visit the Regeneron ISEF Virtual Fair

Learn more about projects and finalists from Regeneron ISEF

ISEF 2023 Grand Award Ceremony, Dallas Texas - top award winners

Awards

Regeneron ISEF finalists compete for nearly $9 million in awards, prizes and scholarships.

Special Award Organizations (SAO)

More than 45 professional organizations give out Special Awards at Regeneron ISEF.

ISEF 2024 Los Angeles - Excellence in Science and Technology Panel

Learn about Sponsorship

Join the exclusive group of forward-thinking corporations, foundations, organizations, and individuals that provide support for ISEF.

ISEF 2024 Los Angeles, CA - International Science and Engineering Fair - Display and Safety Volunteer talking with finalist about their project in the exhibit hall.

Volunteer for 2025

Sign up to support the 2025 Regeneron ISEF in Columbus, Ohio, in May 2025 as interpreters and event volunteers.

ISEF 2024 - International Science and Engineering Fair - Judges - Los Angeles CA

Be a Grand Award Judge

Learn more about Grand Award Judging at Regeneron ISEF.

Category banners at Regeneron ISEF 2023.

Regeneron ISEF Categories

Regeneron ISEF finalists compete across 22 different scientific categories.

Education Outreach Day

Education Outreach Day brings local middle and high school students to ISEF to meet the ISEF Finalists, participate in STEM activities, and create their own scientific questions.

ISEF 2024 International Science and Engineering Fair Judging Los Angeles CA finalists booth with judges

Scientific Integrity

Society for Science expects students competing in Regeneron ISEF to hold themselves to the highest ethical standards.

Compete

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

Find-a-Fair

Official rules and guidelines for competition.

International Rules and Guidelines

Project Material Guidelines for Regeneron ISEF

Project Material Guidelines (PDF)

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.

Project Database

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 Trailer

View the Trailer

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: