The Lions (7-4) outscored the War Eagles 31-21 to take a 47-37 halftime lead. Chestatee trimmed the lead to 63-57 after the third quarter but could get no closer.
Tae Turner paced Lakeview Academy with 26 points. JB Britte added 21 points for the Lions.
Jordan Pulliam had a game-high 32 points to lead Chestatee. Jordan Stubblefield had 14 points and Joey Scheman 10 points for the War Eagles.
Lakeview Academy will be back in action on Friday in a Region 8-A contest against Pinecrest Academy at home.