Open Saturday, Aug. 22, 9 a.m. to 1 p.m. for Fall Registration: Get help enrolling at Grayslake, Lakeshore (Waukegan) or Southlake (Vernon Hills) campuses. Or call the Welcome and One Stop Center at (847) 543-2085. View registration details and learn how to apply. Hundreds of fall classes haven't started yet. Explore classes.