William & Mary or UMass Amherst for social scene?

The biggest practical tradeoff is size and weekend energy versus a tighter, more contained community. UMass Amherst is much larger, part of the Five College area, and usually offers a busier weekend scene with more events, more student groups, and more people around. William & Mary is smaller and can feel more close-knit, but many students describe the social scene as quieter and more dependent on friend groups, clubs, or Greek life to create your own plans.

For what you described, especially wanting an active campus on weekends, UMass is more likely to match that day to day feel. Amherst also gives you access to nearby student life across the consortium, which can make the social options feel broader than just one campus.

William & Mary definitely has social opportunities, but they are often less obvious and less high-energy. Students there often talk about a campus culture that is academically focused, with social life happening through organizations, dorm communities, parties, and Williamsburg outings rather than a constant campus buzz. For some people that feels more comfortable and easier to navigate, but for others it can feel slower on weekends.

If your main question is which place is more active, open, and socially lively outside of class, UMass Amherst has the clearer edge. William & Mary can be a good social fit for someone who likes a smaller, more intimate campus culture, but based on your priorities, UMass sounds closer to what you want.