My list didn't copy/paste well. Let's try that again . . .
Region 8 bands:
A&M Consolidated
Belton
Bryan
Copperas Cove
Ellison High
Harker Heights
Killeen
Midway
Shoemaker
Temple
Region 12 bands:
C.T. Johnson
Canyon
East Central
Judson
Lee
MacArthur
Madison
New Braunfels
Ronald Reagan
Roosevelt
Smithson Valley
Steele
Wagner
Winston Churchill
Region 18 bands:
Akins
Anderson
Austin
Bowie
Del Valle
Hendrickson
Pflugerville
San Marcos
Westlake
Region 26 bands:
Cedar Ridge
Lake Travis
McNeil
Round Rock
Stony Point High
Westwood