I'm with those who said cutting mat, 6.5 ruler, good rotary cutter and good (very important) scissors. There will be other things you need/want but wait until your class because many times shops offer a discount on things you buy when you are in a class. Also, sign up for Hancock fabrics, JoAnn's, Hobby Lobby because they send great coupons that can help you acquire those "needs" at good prices. If your LQS has an e-mail, sign up for that so you know when they are holding sales.
enjoy your class,