The University of Minnesota has an appropriate amount of rule enforcement. Students are expected to follow rules at all times when on campus property. Most common rule-breaking involves drinking. Many students get caught drinking in the dorms, and the punishment can range from asking the student to pour out their alcohol down the drain to community service to potential expulsion from the dorms. However, in reality, the punishment isn't very severe. Many students get asked to write a reflection paper and do community service. But the severity is on a case-by-case basis. Outside residence halls, as long as students aren't putting anyone's lives in danger, the police leave them alone. Usually people know these rules and exercise them well by drinking in the privacy of off-campus houses and in safe environments with people they know. House parties often get broken up if they are too rowdy, but police usually let students go home, unless someone talks back to the cops. One thing to remember is that if you stay quiet and obedient when in the company of the police, they are more likely to let you go with a warning. In recent years, the Greek party scene has become more rigid due to some mishaps.
One policy that is taken very seriously is academic dishonesty: cheating or plagiarism. All U of M class syllabi state this policy very clearly. Consequences range from getting an F on a particular exam/paper to probation to potential expulsion. Therefore, students should not cheat or plagiarize other people's work. Besides these two, traffic laws should be followed closely because of the congestion, pedestrians, and construction zones. The point is, even the school administration knows what goes on in college. They are lenient because they want the students to enjoy their college lives, but they have rules to ensure that the "fun" does not interfere with academics or the privacy of the students. Safety is the main goal of campus strictness.