| String Orchestra - 926 | |
| Region 1 | (5A) Amarillo |
| Region 2 | (5A) San Angelo: Central, Abilene, Wichita Falls: Rider |
| Region 3 | |
| Region 4 | (4A) Kilgore |
| Region 5 | (4A) Denton |
| Region 6 | |
| Region 7 | |
| Region 8 | (5A) A&M Consolidated, Bryan, Temple |
| Region 9 | |
| Region 10 | (5A) Baytown: Sterling |
| Region 11 | |
| Region 12 | (4A) San Antonio: Alamo Heights; (5A) San Antonio: Roosevelt, MacArthur, Churchill, Madison |
| Region 13 | |
| Region 14 | (5A) Corpus Christi: King, Laredo: Nixon |
| Region 15 | (5A) Edinburg, McAllen: Rowe |
| Region 16 | (5A) Lubbock |
| Region 17 | |
| Region 18 | (4A) Austin: Anderson; (5A) Austin: Bowie, Round Rock: Round Rock, McNeil |
| Region 19 | (5A) Clear Lake, Deer Park, Dobie, Humble, Kingwood, South Houston |
| Region 20 | (5A) Dallas: Washington Arts Magnet, Highland Park, Carrollton: Smith, Turner, Irving: Irving, MacArthur |
| Region 21 | |
| Region 22 | (5A) El Paso, Hanks |
| Full Orchestra - 921 | |
| Region 1 | (5A) Amarillo |
| Region 2 | (5A) San Angelo: Central, Wichita Falls: Rider |
| Region 3 | (5A) Richardson, Garland, Plano |
| Region 4 | |
| Region 5 | (5A) Arlington: Arlington, Martin, Lamar |
| Region 6 | (5A) Odessa: Odessa, Permian, Midland: Lee |
| Region 7 | |
| Region 8 | (5A) A&M Consolidated |
| Region 9 | [incomplete listing] (5A) Klein Forest |
| Region 10 | (5A) Baytown: Sterling |
| Region 11 | |
| Region 12 | (5A) San Antonio: Churchill |
| Region 13 | |
| Region 14 - | |
| Region 15 | (5A) Edinburg North, McAllen: Memorial |
| Region 16 | Lubbock: Coronado, Monterey, Lubbock |
| Region 17 | |
| Region 18 | (4A) Austin: LBJ; (5A) Austin: Bowie, Johnston, Austin, Westlake, Round Rock: Westwood |
| Region 19 | (4A) Clear Brook; (5A) Clear Lake, Dobie, Kingwood |
| Region 20 | |
| Region 21 | (5A) Longview |
| Region 22 | |