Climbing is Northeastern CT is far from a destination, although some good stuff can be found, especially if it is your local place (read: Attend UConn)
All these areas are great for toproping. Fifty footer is the steepest and hardest of them all. If you wanna practice some moderate leading wolf rock is decent. If you can't find a partner pothole hosts a good 5.10 traverse across the whole formation and some individual boulder problems. I never climbed at ross rock...or I just don't remember it. The best climbing gym is an hour away, Prime Climb in Wallingford CT. Those guys know what they're doin.
I started my climbing "career" on these rocks and damn...am I glad I moved out west. I'll be surprised if anybody even reads this.