The Register (UK) carried a news item about an interesting idea to prevent Students from cheating in exam halls – it is to put them behind cages 
. Read more here at “How to stop exam cheating: put teenagers in cages | The Register”
I am wondering on what happened to good ol’ copying by seeing the answers of the Topper in front of you?. Nothing can beat the thrill and joy of it - I am not advocating this, but doing it during your class trial tests are neverthless fun, right? :-)