Welcome to the Regeneron Westchester Science & Engineering Fair (WESEF)

The Regeneron Westchester Science & Engineering Fair (WESEF) encourages students to participate in hands on science by providing a forum for showcasing the outstanding research of high school students in Westchester & Putnam counties of New York State and sponsoring the top students from the fair to advance to the REGENERON International Science & Engineering Fair.

WESEF 2025 – Saturday March 15th – THIS WEEKEND!

Awards Ceremony will be Thursday March 20th, 2025 

Over 750 high school students from Westchester and Putnam Counties have registered to participate this year! Forms have been submitted and paperwork reviewed. Poster set up is March 14th between 4:30pm and 7:30pm; no additional materials (besides digital devices/laptops/electronics) can be brought in the next day. Anyone who does not set up Friday night will be disqualified. 

On Saturday, March 15th we will welcome our student competitors, registered judges and teachers. The event is NOT open to the public until 3:30pm when we will open our doors for public viewing. 

Awards Ceremony will be Thursday March 20th, 2025 

Over 750 high school students from Westchester and Putnam Counties have registered to participate this year! Forms have been submitted and paperwork reviewed. Poster set up is March 14th between 4:30pm and 7:30pm; no additional materials (besides digital devices/laptops/electronics) can be brought in the next day. Anyone who does not set up Friday night will be disqualified. 

On Saturday, March 15th we will welcome our student competitors, registered judges and teachers. The event is NOT open to the public until 3:30pm when we will open our doors for public viewing. 

We are excited to be hosting our 2025 Regeneron WESEF Awards Ceremony at Somers High School on Thursday, March 20th. Details to follow. 

Regeneron WESEF Informational Video

We are excited to be hosting our 2025 Regeneron WESEF Awards Ceremony at Somers High School on Thursday, March 20th. Details to follow. 

The top 20 projects at the 2025 Regeneron WESEF will represent our region at the Regeneron International Science & Engineering Fair which will be held in Columbus, Ohio in May 2025. 

Many thanks to Megan Zupan Photography for capturing the many special moments that made the 2024 fair amazing! Photos are available for download, at no charge.  Please consider tagging the following with your social media posts: #RegeneronWESEF     #WESEF   and   @Regeneron    @Con Edison   @ZEISS Microscopy