The Stags (5-0) opened the game with a 12-0 run, then started the second half with 21 straight points as they cruised past the host Rams (2-3).
Maddie Fitzpatrick scored 14 of her 31 points in the third quarter before going to the bench for good as Cheverus outscored Deering 21-2 to stretch their lead to 53-21.
The Stags forced the Rams into 27 turnovers.
Angelina Keo finished with 11 points for Deering.