Iowa State remained on top for the second week in a row, tightening its grip in the latest Big 12 power rankings, while Colorado jumped into the top five for the first time.

Looking at the schools in the Big 12, who are the top teams in the conference going into Week 7 of the college football schedule? In this week's power rankings, which can be seen below, we break down each team and how they stack up.

The Associated Press high school football rankings for the state of Michigan have been released for the week. Check out the Top 10 rankings for each of the eight 11-player football divisions and two 8-player football divisions.