Dear 863211, thanks very much for your information, that means that my friend doesn't need to get a new visa to enter US, instead she is able to use her current valid F1 visa to enter US, even she is changing a new school. Thank you very much!!
You are very professional, knownedgeable and very very nice. You deserve respect from all of us who get anwers and advices from you.
You have very nice evening!!!!!