There is "no evidence" that international students participating in Optional Practical Training reduce job opportunities for US workers, a National Foundation for American Policy study has found.

Beckie Smith takes a look at the tricky terrain that is the US H1-B visa, and post-study work opportunities in Trump's US. The visa route, often used by STEM graduates, could be under threat despite two prominent senators proposing a bill to expand its reach.

There's a risk of erosion to the attractiveness of the US as a study destination as the newest executive order marked the first steps towards H-1B visa reform, educators said.