Week 4 of Michigan high school football was chaotic. Nine top 25 teams lost week, including No. Rockford and No. 3 De La Salle.So there is a shakeup in the High School on SI Michigan football top 25 rankings.

Week 4 of the Michigan high school football season saw four of the top five teams in our MLive Top 25 rankings suffer surprising losses, while several teams outside the Top 10 picked up impressive wins. Below is a look at how the MLive Top 25 and the honorable mention teams fared in Week 4 and what’s next heading into Week 5.

College football Week 4 saw Michigan upset USC and other results that will impact today's updated AP poll and Coaches Poll. Here's who should move.

Michigan high school football continues in Week 4 with all of the top 25 teams in action. No. 7 Cass Tech (2-1) continues its epic Detroit rivalry with No. 11

A look at how the top 25 high school football teams in the Southland fared this week. Rk.; School; This week; Next game 1. MATER DEI (4-0); def. Baltimore St. Frances, 25-14; at Santa Margarita, Oct.

Leuzinger and Oaks Christian rise after big wins. Santa Margarita and Cathedral drop. San Juan Hills makes its debut after 4-1 start.