Jazmine Morat scored 20 points, Katie Rathgeber added 17 and the Bulldogs opened their season with a decisive road win.
Morat scored 11 points in the second quarter, in which Stevenson outscored Kalama 26-1.
Morat also had 15 rebounds. Rathgeber added five assists.
STEVENSON 61, KALAMA 25
STEVENSON (1-0) — Cassie Macnab 4, Jade Waymire 2, Katie Rathgeber 17, Isabella Spencer 4, Jasmine Waymire 0, Jazmine Morat 20, Ashley Brannan 11, Sydney Cole 0, Alison Backlund 3, Anfisa Scheratski 0. Totals 25 (2) 9-17 61.
KALAMA (0-1) — Gracie Stemkoski 7, Kailey Shipley 0, Lily Given 2, Lily Nichols 2, Jasmine Dunlap 0, Ruby Jackson 10, Maggeie Cruser 0, Chloe Larsen 2, Sophie Given 3. Totals 9 (3) 3-16 25.
Stevenson 14 26 13 8–61
Kalama 9 1 9 6–25