I'd say the best team in Knoxville is Farragut. If you want to see a game, the link below should take you to their schedule, and good luck with your program.
http://www.laxpower.com/update05/binboy/XFGTTN.PHP
I'd be really surprised if it wasn't Farragut or CBHS with USN and Webb a close 6 and 7. I don't know anything about Houston, but I don't think that they'll be much of a factor this year.