Affiliated Fair Network

Society affiliated science fairs across the world are the first step to competing at Regeneron ISEF and Broadcom MASTERS

With over 400 affiliated fairs around the globe, the affiliated fair network plays a critical role in facilitating the pursuit of STEM in young scientists, engineers, and inventors.

Affiliated Fair Resources

Best practices for fair management


Guidance on fair committees

SRC and D&S Training

International rules & guidelines


Guidelines for the judging process


A collection of the top questions asked during a series of affiliated fair meetings

Regeneron ISEF 2021 FAQ

Watch a recording of one of the affiliated fair meetings held in late August

Affiliated Fair Meeting

Dates & Deadlines for the 2020-2021 Fair Cycle

Date Information
By August 31, 2020 Affiliation available through the Fair Dashboard
October 2 – 4, 2020 High School Research Teacher’s Conference, Society staff will have limited availability.
October 7, 2020 Deadline for affiliation. Please note that the affiliation fee is not due at this time; payment of the affiliation fee may be deferred until Feb. 7, 2021.
October 16 – 21, 2020 Broadcom MASTERS Finals Week, Society staff will have limited availability.
By November 15, 2020 Regional Award materials available online through Fair Dashboard
January 25, 2021 Virtual Regeneron ISEF 2021 Registration available online through Fair Dashboard
Your Fair Date + 12 Calendar Days Deadline to submit Finalist Questionnaire and Registration
February 1, 2021 Broadcom MASTERS application opens for nominees.
February 12, 2021 Affiliation fees due.
March 11-17, 2021 Regeneron Science Talent Institute. Society staff will have limited availability.
April 11, 2021 Last date to hold a Regeneron ISEF affiliated fair. Regional fairs that feed into state fairs should coordinate the date of their fairs with the state.
May 9-14, 2021 Virtual Regeneron ISEF 2021
June 9, 2021 Broadcom MASTERS Application closes
October 2021 (TBD) 2021 Broadcom MASTERS Finals Week