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 has been the Illinois State champions for the past 9 years. The best that New Trier has ever done at Nationals is 6th place, both at the 2005 and 2010 National Tournaments at University of Illinois. The year 2011 marked the 10th straight year that New Trier has won the state title in Illinois.

New Trier started to host the Regional tournament for their area in 2009. New Trier began their involvement with Science Olympiad competitions in 1987.