1994 Finals - Riverdale 14, Germantown 10
1996 Semi Finals - Brentwood Ady 17, Germantown 6
1998 Semi Finals - Hendersonville 21, Houston 14
1999 Semi Finals - Glencliff 39, Bartlett 7
2000 Semi Finals - Riverdale 12, Cordova 7
2001 Semi Finals - Hendersonville 17, Houston 6
2002 Semi Finals - Brentwood 24, Germantown 14
2003 Finals - Germantown 10 Riverdale 7
2004 Semi Finals - Franklin 31 Germantown 10 (I was at this game, gtown was winning at the half)
2005 Semi Finals - Ravenwood 28 Ridgeway 10
2006 Semi Finals - Ravenwood 35 White Station 28
2007 Semi Finals - Independence 28 Millington 27
2008 Semi Finals - Franklin 35 White Station 18
2009 Finals ?
I would say the gulf in class is not as wide as you presume.