Dillinger attended Indiana University from 1993–1997 (1996 redshirt) where she started 75 matches. She holds school career records for goals (37), assists (24), and points (98). She was a two-time first team All-Big Ten selection in 1994 and 1997. Dillinger also earned All-Region recognition in 1993 (All-Central), 1994 (All-Mid East) and 1997 (All-Great Lakes). Her 13 goals in 1993 mark the second-highest single-season total. She tallied eight assists in each of the 1993 and 1997 seasons, a mark that is tied for first in school history (Carrie Watts 1998). Her efforts make her the first player ever at Indiana to record three multi-goal games in one season. She also holds the school record with eight total multi-goal games. Dillinger, a biology major, received Academic All-Big Ten laurels in 1994–95.