Different rules in different countries often make it harder for international students to understand what is and what isn't allowed. While a student may understand plagiarism, it can be difficult for them to grasp the concept of cheating.

An associate dean of academic services spends a lot of time studying, lamenting and worrying about cheating in universities, but a Montreal-based online service that propels the activity to a new level made even her wince. The website unemployedprofessors.com has teachers writing papers for students. "So you can play while we make your papers go away" is its tag line.