I found many Chinese students cheating and am not surprised, but what surprised me was that many US students cheated as well. Since I'm from China I know very well the kind of collusion culture : people care their grades too much and make mistakes. However, from what I have heard, US universities have strict policy against cheating, and students from US generally don't cheat.
To put it into figure: 15 out of 60 cheated, and 4 are Chinese while 9 are from US. I'm really disappointed as my college is even ranked top 30, and this changed my impression about US colleges. I'm transferring out to an ivy and hope there won't be much cheating in these prestigious ivies, but then Harvard Cheating Scandal came.
Now I feel really bad about US. I thought it is a place where ingenuity and honesty are upheld most.. Sigh.