Sorry should have made myself clearer mr negative. The students take it upon themselves to provide the school with feedback as they generally feel that they have benefited from the hard work of others before them and so return the favour. As far as I know there is no pressure on students to remember questions and report back although a number of people will. They have so many people doing the exams each month that it only needs a few to call back and keep the process going. Personally my mind has gone pretty much blank once I am out but there you go.