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.

May 10, 2025 · View the 2025 Regeneron ISEF Program Book Proudly Presented By Platform Powered By Title Sponsor ISEF SCHEDULE OF EVENTS Saturday, May 10, 2025 12:00pm (EDT) Virtual …

The Regeneron International Science and Engineering Fair (ISEF) is an annual science fair held in the United States. [1] It is owned and administered by the Society for Science, [2] a 501 (c) (3) non-profit …

Click here for a listing of sample project titles from Regeneron ISEF 2021. At ISEF, you don’t need to compete in the same category as in your national, regional, state, or local competition. Furthermore, …

Explore the innovative finalist projects from Regeneron ISEF 2025 showcasing creativity and scientific excellence. Discover groundbreaking ideas and inspiring solutions!

Regeneron ISEF 2026 will take place in Phoenix, Arizona at the Phoenix Convention Center from May 9-15, 2026. Regeneron ISEF 2026 will be an in-person event with all finalists competing in-person.

isef project library Explore and engage on outstanding work from across the globe.

A program of the Society for Science, the Regeneron International Science and Engineering Fair (ISEF), taking place May 2026 in Phoenix, Arizona, is the world’s largest pre-college science competition.

A Regeneron ISEF-affiliated science fair is a research-based, high school competition that is a member of Society for Science & the Public’s affiliated fair network.

Click here for a listing of sample project titles from Regeneron ISEF 2021. At ISEF, you don’t need to compete in the same category as in your national, regional, state, or local competition. Furthermore, …