The Raiders (6-5) trailed 14-13 after one quarter and pulled even at 20 at intermission before blowing it open.
Grace Sabine scored 16 points to lead Oak Hill. Sadie Goulet nailed three 3-pointers en route to 14 points.
Faith Grady and Kelly Pomerleau accounted for all the St. Dom’s (6-4) offense. Grady had a game-high 17.