Look up ICSA:ICSA: Inter-Collegiate Sailing Association
They will have guidelines on what to do and how to go about it. Also talk to your administration about your team's possible status. Would it be a club team or a varsity team, for example. The Athletic Department may or may not want to be involved, and may even work against you if they think you'll be diverting funds (not to say talent) from existing programs. We got a club team going at my school by snagging a fleet of used 420's from Yale, for $200 each. They were very used. We had a blast. Good luck!