According to the chart from the Texas high school district listing auto-admit criteria, the following should be auto-admit with top 50% rank (3.4 HS GPA) and 1230 SAT. Verify on campus web sites in case any criteria have changed.
Angelo State
Concordia
Lamar
Midwestern State
Sam Houston State
Stephen F. Austin
Sul Ross State
Tarleton State
Texas A&M Corpus Christi, International, Kingsville, San Antonio
Prairie View A&M
Texas Southern
Texas State
Texas Women’s
University of Houston main, Downtown, Victoria
University of North Texas
University of Texas Arlington, El Paso, Permian Basin, San Antonio, Tyler
West Texas A&M