Going off-topic from the OP: Not only that, but when I was a foreign student, the Indian and Chinese students had networks of past-year students, who'd built up databases of exam questions. While perhaps strictly not cheating, this gave them an advantage, because some professors repeated questions from previous quarters/years. Some of us thought that was unfair, and talked with the professors and they were unwilling to ensure that questions were not repeated. So we asked the professors to give us exam questions from the last few years, and made them available to everyone in the library. Hopefully this at least leveled the playing field a tiny bit, but I'm not sure it mattered in the grand scheme of things. (Disclosure: I'm Indian too).