Best Colleges at Yale?

<p>i spent the summer at yale through JSA and girls were housed in TD and guys housed in a building called Rosenfeld pretty nice inside, piano/elevator/newish/redone interior which is across the street from TD (not across from the main entrance, but the side), on the side of the street with Bruegger’s Bagels. I assumed both were residential collges but found out that rosenfeld is not one of the 12, so I’ve been awful curious as to what it is then and what purpose it serves/who lives there.</p>