Katie Rathgeber had a triple-double to lead the Bulldogs to a non-league win on the road.
The senior guard had 17 points, 10 rebounds and 10 steals.
Trailing 10-2 after the first quarter, Fort Vancouver fought back. The Trappers (0-5) pulled within three points in the third quarter before Stevenson (5-2) finished strong, outscoring Fort 18-7 in the fourth quarter.
Kailey Gonzalez led Fort with 14 points while Max Hunter added 13.
STEVENSON 53, FORT VANCOUVER 41
STEVENSON (5-2)– Cassie Macnab 7, Jade Waymire 2, Katie Rathgeber 17, Isabella Spencer 2, Jazmine Morat 12, Ashley Brannan 13, Alison Backlund 0. Totals 23 (1) 6-13 53.
FORT VANCOUVER (0-5) — Marcelina Contrera-Smith , Avery Rowe 2, Corah Williams , Gloria Winner 2, Kailey Gonzalez 14, Leticia Arceo 4, Brynna Wygal 2, Max Hunter 13, Isis Villalobos 4, Paulina Jiminez-Francisco 0, Sage Reynolds 0. Totals 17 (1) 6-11 41.