Chris Mariella had a big game offensively, finishing with a team-best 24 points on Friday.
But as a team, the Cougars couldn't keep pace with visiting Maine East, which earned a 70-45 victory in Central Suburban North play.
Maine East shot 11-for-19 from 3-point range and finished 26-for-51 from the field.
Mariella shot 8-for-17 from the field with a 3 and also contributed 3 rebounds and 2 assists.
Luke Perlin scored 6 points and Payton Foster 5 for Vernon Hills (2-7, 0-3).