One of my sons completed a degree in Cyber Studies at a W.A. University. In the first year he would be up at midnight, worrying and so frustrated. They were making the students work in teams to complete assignments but they were pairing the Australian students with virtually either non English speaking Chinese Students or Chinese Students that were not capable of doing the work or were just disinterested.
In the end my son would either make them put him in a group with other Aussies or he would just team up with the one or two Aussies in his group and they would work very hard to do the whole assignment between themselves and basically exclude the Chinese.
This meant that my son and his fellow Aussies were able to get a lot more out of their studies than was ever intentioned. It backfired for the Uni's but was great for those like my son who were okay with putting in the extra work. He's getting well paid now.
We didn't understand why this was happening until we saw a TV documentary which explained that the Uni's were accepting Chinese students with very little English and putting them in groups with English speaking students so that they could learn English without any effort required by the Uni's.