After months of waiting, party night finally arrived on Dec. 2 for the brothers of Phi Kappa Psi at the University of Iowa. But this was no “Animal House” gathering; it was held in the ballroom at a Hilton Garden Inn.

IDs were checked at the door. Those old enough to drink got plastic bracelets with five pull tabs — one for each beer, wine or hard cider they would be permitted over the next three hours. Hard liquor was banned; Jell-O shots were definitely out. Security guards walked the floor.

The party limped along, and by 10 p.m., an hour ahead of schedule, the staff was already cleaning up.

Fraternity misbehavior has frustrated colleges as long as fraternities have been around. But now, amid worries about endemic binge drinking, sexual assault and a startling spate of deaths, schools are going beyond the old practice of shutting down individual houses to imposing broad restrictions on all Greek life.