Partly due to concerns about underage drinking, students under the age of 21 who are not staying in interim housing and are not guests of either members of the Class of 2012, members of the Fifth Reunion class, the 10th Reunion class or any of their satellite classes, will not be admitted into the Fifth or 10th Reunions tents after 5 p.m.
Continued here:
Some students not to be admitted to Fifth, 10th Reunions tents