Immaculata, No. 7 in the NJ.com Top 20, defeated Princeton 1-0 in Somerville behind a goal by Kezia Wong.
Sabrina Karoly provided the assist, while Jillian Drzyzga recorded four saves to earn the shutout.
Immaculata (8-2) extended its winning streak to seven games and will travel to Summit on Tuesday, while Princeton (6-2) will visit West Windsor-Plainsboro North.