What are the limitations of M-1 student visa?
On M-1 student visa, you may:
Transfer from one school to another only with the permission of the Department of Homeland Security, U.S. Citizenship and Immigration Services (USCIS)
Never be permitted to change your course of study
Take dependents to stay with you in the U.S. but they may not work
Note: Once you are six months into the program of studies, you are prohibited from changing your course of study except under truly exceptional circumstances.