 The university has an active student government, the Brandeis Student Union, as well as more than 270 student organizations.Fraternities and sororities aren't officially recognized by Brandeis University, as they are contrary to a central tenet of the university, namely, that student organizations be open to all students, with membership determined by competency or interest.According to an official handbook, "[e]xclusive or secret societies are inconsistent with the principles of openness to which the University is committed.