Check on the internet to see where your nearest club team are. I'm sure they would welcome you with open arms.
www.usarugby.com Just below the sub-tabs for Home is a large button that says Find a Team. Hit it and follow the menu. Mark Edit: I am assuming from the post "location" and the language of the post itself that you are in USA. If not, then, as BLM says, we need to know where you are to help much.
There has got to be an amateur club in any College town pretty much anywhere in the world. It would help if you could narrow the area where you are intending to go to school down a little.