Senior guard Samantho Sando’s 19 points (including three 3-pointers) led the way for the Tigers. Senior guard Avery Pacheco added 17 for Tiverton. Kate Cuddy was Chariho’s top scorer with 16 points.
The Tigers, who play in Division II-East, built a lead of 30-19 by halftime over Division I-South Chariho.
The victory follows two earlier convincing wins for Tiverton: The Tigers beat Middletown 56-44 and then handled Cranston east 55-33.
Tiverton plays next against North Providence at 7:30 p.m. on Dec. 26 at Tiverton in the opener of a holiday week tournament.
North Providence used a stifling defense to win its first three games (including Injury Fund), holding opponents to 16 points, 21 points and 18 points.
Tiverton finished last season with a 7-9 league record.