The Lady Tigers outscored Olathe East 23-9 in the fourth quarter to win 45-37.
Joe Rexroat and Drew McMillin each scored 20 points in a road win over Sedalia Smith-Cotton.
Nine different players scored as the Tigers dominated at Carl Junction, 62-35.
The Lady Tigers mounted a furious charge in the second half, but fell two points short in a 50-48 loss at Carl Junction.
Republic jumped to a 20-point halftime lead on the way to a 72-45 win over Kansas City Northeast in the Hall of Fame Shootout at Baptist Bible College.