Elk River gave Centennial a good battle but lost to the Cougars 62-56 at on Thursday evening.
Kristen Nordby and Paige Waytashek led the Cougars (13-5) with 15 points each.
Jordyn Sohns netted 12 points, Shelby Gracik 10, and Mikayla Macomber, Victoria Jenson and Anna Rollag 8 points each for the Elks (5-13).
The Elks are 1-12 in the NWSC after eight straight losses.
Elk River will play at Osseo on Tuesday evening.