The Lady Dogs, who are now 7-0 on the season, won the first two sets (25-23, 25-17) but suffered a 22-25 setback in the third set.
Iota regrouped and pulled off a 25-21 victory in the fourth and final set to win the match.
The Lady Dogs were led by outside hitters Kaylee Richard and Madison Meche. Richard logged 13 kills on the night while Meche had 11 kills and four aces.
Taylor DeVille followed with nine kills and nine blocks. Erika Manuel added five kills and Madiosn Benoit had four. Manuel and Benoit also had seven blocks each.
Also contributing in the victory were Mallory Faul (32 assists, 22 digs), Jillian Boone (48 digs, 6 aces), Melinda Russell (38 digs), Claire LeJeune (19 digs) and Paige Soirez (27 digs, 2 aces).
In Crowley, the Northside Christian Lady Warriors rallied for a five-set victory over Beau Chene to improve to 5-2 on the season.
The Lady Warriors fell behind 2-1 but went on to win the final two sets (25-16, 15-9) to seal the victory.
Mallary Vincent paced the Lady Warriors with 14 kills, 17 digs and one ace.
Aiding in the victory were Mia Mier (6 kills, 28 digs, 4 aces), Natalie Hayes (6 kills, 21 digs), Madisyn Clement (6 kills, 19 digs, 9 aces, 12 assists), Kristen Spell (4 kills, 15 digs, 2 blocks), Maddison Conrad (2 kills, 18 digs, 1 ace, 20 assists) and Leah Monte (58) digs.
Crowley High was also victorious. The CHS Ladies defeated Hamilton Christian (26-24, 25-19, 25-18) in Lake Charles.
No other information on the game was made available by the school.