For the 2018 fall trap league, 17 high school teams are assigned to 4 conferences based on a similar number of team members.
(#) = Number of athlete’s scores used for each team to determine True Team™ scoring points earned.
| Conference 1 (5) |
| Grand Haven High School |
| Lake Fenton High School |
| New Buffalo High School |
| Conference 2 (13) |
| Bay City Western High School |
| Constantine High School |
| Fenton High School |
| Napoleon High School |
| Pittsford Area High School |
| Conference 3 (18) |
| Dexter High School |
| Lake Shore High School |
| Portland High School |
| Quincy High School |
| Sandusky High School |
| Conference 4 (29) |
| Vicksburg High School |
| Richmond High School |
| Olivet High School |
| Armada High School |