It gives the admitted students a chance to see the school in a non-formal setting. For most students, the only time the visited the school was at their interview, which can be rather high stress. At Second Look, you get a chance to meet the current students and perhaps some of your future classmates without worrying about the afternoon interview.
It also allows people who've been fortunate enough to be accepted to several schools get a "second look" to compare programs, helping them make a more informed decision.
luck
