<p>Lots of schools have a Quidditch team now, actually. I’d use that as one of the criteria to find schools, then narrow them down by things like architecture, size, and whether there are residential colleges. Not that it really matters.</p>
<p>Bryn Mawr, UPenn (Quad), WashU St. Louis, and Princeton are all contenders. To be fair though, UChicago takes the cake. UChicagos white limestone masonry most closely matches that of Christ Church College, Oxford (where much of Harry Potter was actually filmed).</p>