Those seeking to enter the U.S. to pursue a course of study or to obtain a degree may obtain a student visa in order to attend a U.S. college or university. Whether you pursue a F-1 or a M-1 student visa depends on the type of degree you are seeking.
The F-1 student visa is available for those entering the U.S. to attend the following types of educational institutions:
The M-1 student visa is available for those seeking to attend a vocational or other recognized nonacademic institution, other than a language training program
In general, students may not pursue employment while pursuing their degree, however, the following types of practical training is available after the first academic year for F-1 students and after the completion of the program for M-1 students.
As of May 10, 2016, the new rules regarding 24-month STEM OPT Extensions are effective. The new rules can be obtained by perusing the STEM OPT Hub . You can also find out what to do if you are currently approved for the 17-month STEM Extension here . The DHS has also specified that a student may obtain additional 24-month STEM OPT if the student completes all course requirements for another qualifying degree at a higher degree level than the first degree.
However, despite the longer period for OPT, the DHS has instituted convoluted qualifications for the students and even more convoluted reporting requirements for the employers.