The Tigers raised their record to 3-1 with the victory.
Andrea Ferrero led Ridgefield with 14 points. Andrea Bedard (13 points), Rebecca Lawrence (10) and Sandy Carpenter (10) also reached double figures.
Maddie Wiley had four points, Samarah Cook three, Maggie Scalzo and Emma Glubiak two apiece, and Carly Mercede one.
Meg Marren scored a game-high 15 points for Darien (2-2).