If you're pretty sure you'll be coming to the U.S., it might be a good idea to teach (or hire a tutor to teach) your child some basic english now before you move. If you do it together it will probably get him or her more excited about learning a new language when you make the move (and they'll probably be totally fluent in no time once your child is here and playing with other kids). Like the previous posters said, there are a lot of public resources for children in all the major cities, but I'm sure you'd like to make it as smooth a transition as possible. Best of luck!