Aidan Fraly scored 19 points, A.J Dixson added 16 and the Falcons improved to 2-0 with a road win.
Reece Walling added 13 points for Prairie, which scored 30 points in the second quarter to lead 42-21 at halftime.
Caleb Shira scored 14 points and Armand Nunez added 13 for Camas, which has a roster made of mostly first-time varsity players.
“Prairie was a big challenge for your first varsity experience,” said Camas coach Ryan Josephson. “It’s good to test yourself against the best and hopefully learn from it.”