| THSLL Member Teams |
| Alamo Heights |
| Allen |
| Anderson |
| Austin |
| Bellaire Lacrosse |
| Bowie |
| Cedar Park |
| Central Catholic |
| Cinco Ranch |
| Clear Lake |
| Colleyville |
| Coppell |
| Cy-Fair |
| Episcopal High School - Dallas |
| Episcopal High School - Houston |
| Fort Bend |
| Fort Worth Country Day |
| Friendswood |
| Greenhill School |
| Harker Heights |
| Highland Park |
| Hillcrest Lacrosse |
| Houston Christian |
| Jesuit |
| Katy |
| Keller |
| Keystone |
| Kingwood |
| Kinkaid |
| Klein |
| La Vernia |
| Lake Highlands |
| Lake Travis |
| Lamar |
| LBJ |
| McCallum |
| McKinney |
| McNeil |
| Memorial |
| Plano |
| Plano East |
| Plano West |
| Reagan |
| Rockwall |
| Roosevelt |
| Southlake Carroll |
| St. Andrews Episcopal School |
| St. Anthony |
| St. John's School |
| St. Mark's School of Dallas |
| St. Mary's Hall |
| St. Michaels |
| St. Stephens |
| St. Thomas |
| Stony Point |
| Strake Jesuit |
| Stratford |
| Taylor |
| TMI - The Episcopal School of Texas |
| Trinity |
| Vista Ridge |
| Westlake |
| Westside |
| Westwood |
| Woodlands |
| Wylie |
| NEW TEAMS |
| Dripping Springs |
| Eastside Memorial |
| Flower Mound |
| Frisco |
| Georgetown |
| Parish |
| Vandegrift |