Welcome to the future of
science.

Established in 2001, the Regeneron Westchester Science & Engineering Fair (WESEF) encourages students to participate in hands-on science by showcasing the 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.

We are the
largest
regional high school
science fair in America.

750+

student projects

500+

judges

40+

high schools

WESEF
2025

Thank you to our sponsors and donors, as well as to the Somers Central School District Administration, the Somers High School and Middle School Administration, Faculty, and custodial staff, and especially to Dr. Bill Maelia and his students for hosting WESEF 2025.

Special thanks to our photographer, Megan Zupan, for capturing so many of the wonderful moments of the WESEF competition and awards ceremony. The pictures from Friday and Saturday are ready to be viewed and downloaded at no cost. Please remember to share these on social media with #RegeneronWESEF

Support Megan Zupan

View All 2025 WESEF Pictures