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Beacon Academy | C | 2 | Illinois Regional | (Independent School) | IL | |
Belvidere North High School | C | 2 | Illinois Regional | Belvidere Community School District 100 | IL | |
Brookwood High School | C | | Georgia State University Clarkston Div C Regional | Gwinnett County Public Schools | GA | |
Glenbard West High School | C | 2 | Illinois State Science Olympiad | Glenbard High School District 87 | IL | |
Glenbrook North HS | C | 2 | Oakton | Glenbrook District 225 | IL | |
Glenbrook South High School | C | 2 | Oakton Regional | Glenbrook 225 | IL | |
Illinois Mathematics and Science Academy | C | 1 | College of Dupage | Illinois Mathematics and Science Academy | IL | |
John Adams High School | C | | Indiana University Northwest Regional | South Bend Community School Corporation | IN | |
Lake Central High School | C | 2 | Indiana University Northwest Regional | Lake Central School Corp. | IN | |
Lake Forest Academy | C | 1 | Illinois Regional | independent | IL |
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Lake Forest High School | C | 1 | College of Lake County Regional | Lake Forest Community High School | IL |
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Lane Tech College Prep High School | C | 2 | Chicago Public Schools Regional | Chicago Public Schools | IL | |
Loyola Academy | C | 2 | Illinois State Science Olympiad | Roman Catholic Archdiocese of Chicago | IL | |
Lyons Township High School | C | 1 | Illinois Regional | Lyons Township High School D204 | IL | |
Maine South High School | C | 1 | Illinois Regional | Maine Township District 207 | IL | |
Maine West High School | C | 1 | Illinois State Science Olympiad | Maine Township High School District 207 | IL | |
Marquette University HS | C | 2 | Southeast WI | Private | WI |
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Mundelein High School | C | 2 | Illinois State Science Olympiad | 120 | IL |
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Munster High School | C | 2 | Indiana University Northwest Regional | School Town of Munster | IN | |
Naperville North | C | 2 | Illinois Regional | Naperville District 203 | IL | |
New Trier High School | C | 2 | Illinois State Science Olympiad | New Trier Township High School District 203 | IL | |
Payton College Prep | C | | Walter Payton College Prep Varsity | Chicago Public Schools | IL | |
Trinity High School | C | 2 | Illinois State Science Olympiad | Private | IL | |
West High School | C | | Madison | Madison Metropolitan School District | WI | |
Whiting High School | C | 2 | Indiana University Northwest Regional | School City of Whiting | IN | |
Whitney M. Young Magnet High School | C | 2 | CPS Regionals | Chicago Public Schools | IL |
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