just a quick btw before I try to head out again... although I reckon you're sound asleep while I type this up in flooding SEQ.
Some overseas students actually might find it difficult to accept counselling due to their misconceptions about what counselling is all about. ? It may be a continuance of the failure thoughts. <sigh> The Uni. would have specialist counsellors who can help you out for sure. I was just checking this out for you...
Counselling Myths, FAQs, Online Advice and Useful Links It's from the Univeristy of Western Sydney which I hadn't heard of but it has some good stuff there.
The Uni where this student attends would have guidelines. I often cross over the guidelines to help people, but in this case you might want to actually seek some help yourself, Koala.

There must be people there on campus who can guide you through this in the appropriate manner. "Appropriate" meaning with caring and understanding as well as looking at all the options. This is not a situation that you should be dealing with alone. You need your co-workers assistance. None of this is about you.
Tread carefully dear friend.