New Trier Winnetka High School

''This page refers to the upperclassman team that regularly attends nationals. For the all-freshman team, see New Trier Northfield High School.''

New Trier High School is located in the North Shore of Illinois. There are two campuses with two separate teams; the all-freshman Northfield team and the upperclassmen Winnetka team. New Trier Winnetka is known for being nationally competitive with a predominantly student-run team.

New Trier began their involvement with Science Olympiad competitions in 1987. The best that the team has ever done at Nationals is 5th place at the 2012 Nationals tournament at the University of Central Florida. The year 2012 marked the 11th straight year that New Trier had won the state title in Illinois. They most recently placed 9th at the 2017 National Tournament at Wright State University.