Indiana Basketball Source is the ultimate authority on high school basketball in Indiana.

New Albany and North Central have held the number one spot in 4A for the entire season. That does not mean they will have an easy path to the semi-state round next weekend. With 16 teams left in 4A, the class could go any number of ways. Here is a look at each regional.

After previewing the class A and 2A regionals, Indiana Basketball Source takes  a regional by regional look at 3A. No team has established itself as the clear favorite in the class. That will make each regional fun to watch. Here is a look at each team remaining in the 3A tournament.