Check out SBLive's custom rankings formula for every division and classification of Iowa high school football ahead of Week 6

The Iowa On3 Massey Ratings top 25 list as of Sept. 30 showed minimal movement in the top ten. Meanwhile, six teams ranked from 11 to 25 switched spots, with four moving up. Likewise, only six of the top 25 Iowa high school football teams remain undefeated after the games during the last weekend of September.

Week 5 of Iowa high school football has come and gone, which means the Ames Tribune has new rankings for IHSAA teams in the Ames area. Gilbert, the Des Moines Register's No. 5 team in Class 4A, remains in the top spot after the Tigers crushed Des Moines Hoover on the road last Friday,