Sally brings out alot of good points but I would make sure that you could come back to the US and work with that licensing cause many states might not accept the accreditation from that university. You'll want to make sure that it will work out. Also have you checked to see if you qualify for any grants from the place your working at usually you can get free courses and such. Like for example I'm working at a hospital and most of my classes for RN are paid for by the hospital I work at.