The Tigers had 49 points to match Conard.
Senior Courtney Kenyon contributed 26 of Ridgefield’s points with 13th-place finishes in the 500-yard freestyle (5:13.79) and the 100 breaststroke (1:09.44).
Freshman Sophie Hayes also competed in an individual event for the Tigers, finishing 16th in the 100 butterfly (1:00.58).
Emily Motill, Kenyon, Sophie Hayes and Zoe Hayes combined to finish 18th in the 200 medley relay (1:57.37).
Three FCIAC schools took the top-three spots at the Open as Darien was first, New Canaan second and Greenwich third.