Green Ridge led 11-8 after the first quarter, 32-27 at the half and 53-39 after three quarters.
Axton Harding led Green Ridge with 18 points. Austin Story added 13 to go with his team-high 13 rebounds and nine blocked shots. Justin McCarthy scored 10 and Ben Scotten nine.
Eight Tiger players scored in the game.
Haydn Doane had seven rebounds, Harding and Connor Dillon six each. Harding and Dillon each had four steals.
Green Ridge improved to 10-4 overall and 3-0 in conference.
No La Monte stats were reported.