For many decades, fraternities and sororities were banned at Princeton University. Institutions called the "Eating Clubs" came to fill that niche, with membership, houses, and initiation rites,...
Yes. There is a very active fraternity and sorority life at Florida State. You can learn about which fraternities and sororities are on campus at http://greeklife.fsu.edu/
Yale has several Fraternites and Sororites. Some include Zeta Beta Zeta, Kappa phi knu, Gama Phi, flight veta omega. That's all i can think of from the top of my head.