Check out the AMA's charter club locator
http://www.modelaircraft.org/clubsearch.aspx
Do a search for your area and then contact the clubs you find
There is also one here on RCU but it's not as complete as the AMA one
http://www.rcuniverse.com/community/...ype=instructor
or
The other option is stop by your local hobby shop (known on here as the LHS) and ask them. They are usually the best source for this information.
I'd help ya but Bedford is 200 miles west of me (I'm out by Hershey/Harrisburg)