Updated: January 12, 2013 6:08AM
Four girls basketball teams — two in each division — currently are unbeaten in the North Suburban Conference.
But that will change this week, as the unbeatens go head-to-head in both the Lake and Prairie Divisions.
In the Lake Division, Warren will host Zion-Benton on Tuesday with the division lead at stake.
On Saturday, powerful Vernon Hills will host Antioch with first place on the line.