I don't personally know of any shooting academy, school, institute or anything like that here in Houston. I know you can get a lot of different handgun/rifle training courses.
I don't know if this would be worth the drive to you.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Indoor Defensive Pistol Shooting
Shoot different Scenarios. The Course of fire changes weekly.
Fire 50 rounds using defensive handguns only. Scored on raw time and Accuracy. Shoot from behind barricades at multiple targets. Reload and shoot on the move.
Weak Hand, Low Light, Flashlight, Strobe Light, No Light, You name it, we do it. Beginners welcomed and encouraged!
Thursday - 7:00 to 9:00 PM
I.D.P.S. hones your skills and makes you more effective with your handgun. Fee is $15.00.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Not really "training" but its there to get you a feel for some of the stuff you may encounter.
www.topgunrange.com
failing that I'd check with the NRA and see who comes recommended.