JUNIOR DIVISION 2012
| Puritas Community School |
| Stokeyard Community School |
| Old Brookyln Community Middle School |
| West Park Community Middle |
| Elyria Community Middle School |
| Westside Community School of the Arts |
| Milwaukee Math and Science Academy |
| Horizon Science Academy Cincinnati |
| Horizon Science Academy Dayton Downtown |
| Noble Academy Columbus |
| Horizon Science Academy Columbus Elementary |
| Horizon Science Academy Columbus Middle School |
| Horizon Science Academy Dayton Elementary Parma Community Middle School | Horizon Science Academy Springfield | | Horizon Science Academy Toledo Downtown | | Horizon Science Academy Youngstown | | Horizon Science Academy Lorain | | Noble Academy Cleveland | | Horizon Science Academy Denison Elementary | | Horizon Science Academy Cleveland Middle School | Horizon Science Academy Cleveland Elementary School
Lorain Preparatory Academy | |
SENIOR DIVISION 2012
| Horizon Science Academy Cincinnati |
| Horizon Science Academy Dayton High School |
Horizon Science Academy Columbus High | Horizon Science Academy Toledo High School | | Horizon Science Academy Cleveland High School | |
JUNIOR DIVISION 2011
| Chicago Math and Science Academy - Middle School |
| Constellation Schools: Old Brooklyn Community Middle School |
| Constellation Schools: Parma Community Middle School |
| Constellation Schools: Puritas Community Middle School |
| Lorain Preparatory Academy Gateway Science Academy |
| Horizon Science Academy - Cincinnati Middle School |
| Horizon Science Academy - Dayton Elementary School |
| Horizon Science Academy - Lorain |
| Horizon Science Academy - Springfield |
| Horizon Science Academy - Cleveland Elementary School |
| Horizon Science Academy - Cleveland Middle School |
| Horizon Science Academy - Columbus Elementary School |
| Horizon Science Academy - Columbus Middle School |
| Horizon Science Academy - Denison Elementary School |
| Horizon Science Academy - Denison Middle School |
| Indiana Math and Science Academy West Middle School |
| Menlo Park Academy |
| Michigan Math and Science Academy Middle School |
| Noble Academy - Cleveland |
| Noble Academy - Columbus |
| Quest Charter Academy |
| Wisconsin Career Academy Middle School |
| Horizon Science Academy - Dayton Downtown Middle School |
| Indiana Math and Science Academy North Middle School |
| Horizon Science Academy - Toledo Downtown |
| Horizon Science Academy - Youngstown Middle School |
SENIOR DIVISION 2011
| Horizon Science Academy - Cincinnati High School |
| Chicago Math and Science Academy - High School |
| Horizon Science Academy - Columbus High School |
| Horizon Science Academy - Cleveland High School |
| Horizon Science Academy - Dayton High School |
| Wisconsin Career Academy High School |
| Horizon Science Academy - Toledo High School |
| Indiana Math and Science Academy West High School |
| Michigan Math and Science Academy High School |
JUNIOR DIVISION 2010
Lorain Preparatory Academy - Lorain
Constellation Schools: Old Brooklyn Community Middle School
Constellation Schools: Puritas Community Middle School
Garfield Elementary School
Menlo Park Academy
Horizon Science Academy - Cincinnati Middle School
Chicago Math and Science Academy - Middle School
Horizon Science Academy - Dayton Elementary School
Horizon Science Academy - Columbus Middle School
Noble Academy - Columbus
Horizon Science Academy - Cleveland Middle School
Horizon Science Academy - Cleveland Elementary School
Horizon Science Academy - Denison Middle School
Horizon Science Academy - Denison Elementary School
Horizon Science Academy - Columbus Elementary School
Noble Academy - Cleveland
Wisconsin Career Academy Middle School
Horizon Science Academy - Springfield
Horizon Science Academy - Lorain
Indiana Math and Science Academy Middle School
Science Academy of Chicago
Michigan Math and Science Academy
| Horizon Science Academy Cincinnati |
| Horizon Science Academy Dayton High School |
| Horizon Science Academy Columbus High |