Carterville outscored Trico 15-8 in the fourth quarter to pull out a 42-36 win Thursday night in Black Diamond West action.
The Lady Pioneers trailed 13-8 in the first quarter and 25-14 at halftime, before outscoring Carterville 14-2 in the third period for a slim 28-27 lead heading into the fourth quarter.
Kelsea Ashton led Carterville with 19 points.
Chelsea Jarrett paced Trico with 12 points, while Mikayla Reid added nine in the loss.