For the 2018 Spring League, 59 high school teams are assigned to 9 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) |
| Avon High School |
| Fort Ann Central School |
| Kendall Jr/Sr High School |
| Long Lake Central School |
| Spencerport High School |
| Truthville Christian Academy |
| York Middle/High School |
| CONFERENCE 2 (7) |
| Argyle Jr/Sr High School |
| Elba Jr/Sr High School |
| Liverpool High School |
| Paul V. Moore High School |
| South Seneca High School |
| Warsaw High School |
| Whitehall High School |
| CONFERENCE 3 (9) |
| Hartford Central School |
| Heuvelton Central School |
| Hoosick Falls Jr/Sr High School |
| Hudson Falls High School |
| Lancaster High School |
| Lyme Central School |
| Newfield High School |
| CONFERENCE 4 (11) |
| East Aurora High School |
| Harrisville High School |
| Holland High School |
| Holley High School |
| Indian Lake Central School |
| Lisbon Central School |
| CONFERENCE 5 (14) |
| Bolton Central School |
| Chittenango High School |
| Dundee High School |
| Monticello High School |
| Morristown Central High School |
| Perry High School |
| Red Jacket High School |
| Sackets Harbor Central School |
| CONFERENCE 6 (16) |
| Byron-Bergen High School |
| Caledonia-Mumford High School |
| Copenhagen Central School |
| Fort Edward School |
| Granville Jr/Sr High School |
| Palmyra-Macedon High School |
| Penn Yan Academy |
| Webster Thomas High School |
| CONFERENCE 7 (18) |
| Alexandria Central High School |
| Gouverneur High School |
| Le Roy Jr/Sr High School |
| Marcus Whitman High School |
| Midlakes High School |
| Taconic Hills Jr/Sr High School |
| Webster Schroeder High School |
| CONFERENCE 8 (20) |
| Belleville Henderson Central School |
| Eden High School |
| Gowanda High School |
| Lowville Academy and Central School |
| Skaneateles High School |
| CONFERENCE 9 (27) |
| Attica Senior High School |
| Beaver River Central High School |
| Carthage High School |
| South Jefferson Senior High School |