For the 2018 fall trap league, 37 high school teams are assigned to 5 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) |
| Drummond High School |
| Lincoln Jr and Sr High School |
| New Lisbon High School |
| Seneca High School |
| Tomah High School |
| Washburn High School |
| Washington Island High School |
| Wolf River Lutheran High School |
| Conference 2 (8) |
| Ashland High School |
| Denmark High School |
| Elmwood High School |
| Marinette High School |
| Mineral Point Unified High School |
| North Crawford High School |
| Turtle Lake High School |
| Conference 3 (11) |
| Benton High School |
| Cassville High School |
| Mishicot High School |
| Preble High School |
| Superior High School |
| Wauzeka-Steuben High School |
| Weston High School |
| Conference 4 (13) |
| Bonduel High School |
| Kickapoo High School |
| Portage High School |
| Reedsburg Area High School |
| Sauk Prairie High School |
| Shawano Community High School |
| St. Croix Central High School |
| Conference 5 (20) |
| Boscobel High School |
| Dodgeville High School |
| Lincoln-Nekoosa-Port Edwards-Adams/Friendship High |
| Rio-Pardeeville High School |
| River Valley High School |
| Shullsburg High School |
| Southwestern High School |
| West Salem High School |