From TMQ on espn.com:
Grade Inflation Comes to High School Football (Part Two): Last week, TMQ noted that Texas awards 12 high school football state championships, six divisions with two winners each.
The 12 Texas titles mentioned by Galen Whipple of Klamath Falls, Oregon only include the publics. If you include the privates there are 22 state titles.
2007
5A Division I - Euless Trinity 13, Converse Judson 10
5A Division II - Katy 28, Pflugerville 7
4A Division I - Lamar Consolidated 20, Copperas Cove 14
4A Division II - Austin Lake Travis 36, Dallas Highland Park 34
3A Division I - Liberty Hill 38, Gilmer 13
3A Division II - Celina 21, China Spring 14
2A Division I - Farmersville 27, Tatum 24
2A Division II - Canadian 40, Elysian Fields 25
1A Division I - Munday 26, Bremond 6
1A Division II - Alto 22, Seymor 0
6-Man Div. I - Richland Springs 98, Rule 54
6-Man Div. II - Motley County 44, Woodson 38
TAPPS Div. I - Houston St. Pius X 38, FW Nolan 14
TAPPS Div. II - Argyle Liberty Christian 28, Mesquite Dallas Christian 7
TAPPS Div. III - Waco Reicher 41, Grapevine Faith Christian 7
TAPPS Div. IV - Hallettsville Sacred Heart 39, FW Calvary 8
TAPPS 6-Man Div. I - Greenville Christian 70, Denton Calvary 22
TAPPS 6-Man Div. II - Fredericksburg Heritage 26, Fort Worth Glenview Christian 20 (OT)
SPC Division I - Dallas St. Mark's 56, Tulsa Holland Hall 20
SPC Division II - Episcopal School of Dallas 27 FW Trinity Valley 19
TCAF Division I - Midland Trinity Christian 44, El Paso Faith Christian 22
TCAF Division II - Tyler Kings Academy 36, San Angelo TLC 14