Tolle's Mathematically-derived Football Rankings -- 2011
Texas high school football:
District 23-5A scores and standings
District 23-5A rankings, with predictions
District 23-5A rankings, week- by-week
Texas 5A state rankings, week-by-week
College and professional football:
NCAA Division I rankings, week-by-week
NFL rankings, week-by-week
Various Years:
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
Rangerfootballfans.org
Ned Freeman's rankings:
Various sports
National high school football ratings