You have to exchange your-out-state driver license within 30 days of becoming a resident of New York.
what if I need my license for when I go back to my other country?
You can ask the road test examiner how to make sure that your foreign driver license is not destroyed
I also want to know about going to school in New York and an ID?
Are you studying in New York State?
no
Are you a licensed driver from another country?
no, I'm American but live elsewhere
can I mail in my documents and do it all that way?