Welcome to the official website of Yale Undergraduate Science Olympiad, known on campus as YUSO.

Founded in early 2013, the group is composed entirely of Yale undergraduates. Our first invitational was held in January 2014 and we look forward to hosting our third one in 2016!


January 31, 2016
After a long, exciting day of competition, YUSO is happy to announce that Acton-Boxborough Regional High School from Massachusetts is the winner of the 3rd annual Yale...
September 1, 2015
11/27/15 Update: Waitlist is now closed. 09/29/15 Update: Registration is now closed. Thanks to all for the interest! Waitlist form is available under the “Division C...
August 26, 2015
We have finally posted our favorite pictures from the 2015 YUSO Invitational! Head over to the “Gallery” tab to check them out! We are still working on getting the full set...