Duke’s social scene involves a large amount of on-campus, organization-sponsored parties with copious amounts of alcohol. Beyond that, finding clubs and bars is not particularly difficult in Durham, and these locations are popular places to go dancing after scoping out fraternity parties on West Campus. For those who must have alcohol to get a party going (which is, arguably, the case for just about every campus in America), there are many parties happening on campus, where drinks are free and no one checks IDs. Duke Police will occasionally shut down parties that have gotten completely out of hand (resulting in EMS calls) or for excessive noise. Beyond that, the police are very lenient and reasonable. Be aware that off campus, undercover cops with the Alcohol Law Enforcement (ALE) division will cite you for underage drinking.
In Durham, the traditional "Duke" club is Shooters II, a Western, saloon-themed club and bar complete with mechanical bull.