The fourth ranked team in 1A is still undefeated.
Caston dominated Frontier, 63-34, behind strong performaces by Bailey Harness and Isabel Scales. Harness led all scorers with 27 points and turned in a double-double performace with 17 rebounds.
Teammate Isabel Scales was also impressive with 18 points, nine rebounds and four steals.
Caston (7-0) only trails three teams in this week's 1A girls basketball poll - top-ranked Lanesville (5-1); second-ranked Blue River Valley (4-0); and Tri (5-0).
Blue River is scheduled to play at Tri on December 1.
Other Monday girls scores
Northfield 51, peru 45
Plymouth 48, Logansport 43