Story byAndy VillamarzoMon, January 19, 2026 at 11:44 PM UTC·5 min readThe Illinois high school boys basketball begins the 2025-26 regular season as the second half of the campaign heats up heading into the postseason. Continuing to lead the way at the top of the Illinois high school boys basketball Top 25 regular season rankings is the defending Class 4A state champion Benet Academy and right behind them is the red-hot Warren Township Blue Devils. The Redwings and Blue Devils will face off on Saturday, who else should we watch for when it comes to Illinois top high school boys basketball teams as we go into 2026?AdvertisementAdvertisementAdvertisementThe Massey Ratings, officially used during the BCS era, is a model that ranks sports teams by analyzing game outcomes, strength of schedule, and margin of victory. Here’s a look at the top 25 Illinois high school boys basketball teams in the Prairie State according to the Massey Ratings, which ranks teams by analyzing game outcomes, strength of schedule and margin of victory, as of Jan. 19.1.