In case you haven't seen it before, link to the top HS football programs all-time. List is based on winning %, with 300 min games played. Identified approx 600 schools with winning % of .6500 or better.
Top TN schools and their natinonal ranking (thru 2005):
6. Brentwood .8248
23. Oak Ridge .7876
56. Dobyns-Bennett .7623
78. Riverdale .7506
Now, to the full list: ALL-TIME TOP HS FOOTBALL PROGRAMS