These are the schools and organizations that are registered by season/year.
| School | City, State |
|---|---|
| Amity High School | Amity, OR |
| Cedar Park Middle School | Portland, OR |
| Clover STEMs Science Club, Deschutes Co 4-H | Bend, OR |
| Crescent Valley High School | Corvallis, OR |
| Franklin High School | Portland, OR |
| Franklin Middle School | Corvallis, OR |
| Hillsboro High School | Hillsboro, OR |
| Independent | Various, OR |
| International School of Beaverton | Beaverton, OR |
| Riverdale Grade School | Portland, OR |
| Sunset High School | Beaverton, OR |
| Tigard High School | Tigard, OR |
| Wilson High School | Portland, OR |