An alliance of:

Township High School District 211
District Home
James B. Conant High School
Hoffman Estates High School
Palatine High School
Schaumburg High School
William Fremd High School

Township High School District 214
District Home
Buffalo Grove High School
Elk Grove High School
John Hersey High School
Prospect High School
Rolling Meadows High School
Wheeling High School

Community Unit School District 220
District Home
Barrington High School

William Rainey Harper Community College District 512
Willaim Rainey Harper Community College