Lindsey Asplund and Nicole Goecke each scored 17 points to lead a balanced Falcons attack.
Jamie Phares and Cherita Daugherty also scored in double figures.
Prairie outscored Battle Ground 27-13 in the second quarter to pull away.
PRAIRIE 72, BATTLE GROUND 49
BATTLE GROUND — Madison Barr 6, Emily Griffth 4, Kyla Cruz 0, C. Knott 0, Alena Jarvis 12, Kylie Smith 5, Marlayna Gillette 2, Brooke Van Sickle 0, Madison Reeves 2, Savannah Hamann 1, Jocelyn Blackmon 22, Audrey Kangas 0, Alla Mironenko 0. Totals 16 (6) 11-24 49.
PRAIRIE (2-1) — Nicole Goecke 17, Lindsey Asplund 17, Emily Peters 4, Jamie Phares 12, Jordan Adams 0, Cherita Daugherty 10, Natalie Whitesel 2, Grace Prom 7, Jozie Tangeman 3, Casey Sorenson. Totals 26 (10) 10-12 72.
B. Ground 11 13 12 13–49
Prairie 8 27 14 23–72
JV — Prairie won
C — Battle Ground won