I don't see any meaningful disadvantages in telling them this career path, as long as you can make the connection of working for the Korean foreign ministry and choosing a US legal education.
There was an expansion of tests available in Asia, but not all centers will offer tests on all dates. It takes a bit of hunting to find the dates for a particular country.
On my third go around the curriculum now... about a 6 pt increase after each go. Its like learning a language. 1st time in class, 2nd time speaking on a computer, 3rd time immersion in a native country lol