I posted these samples as it has pretty suprised me because I always thought that's really rare too cheat in other countries and everyone are really seriouse about it. Reading this thread I've just linked, I feel that I was pretty wrong and naive... the problem exists everywhere.
Google and find tens articles like this one:March 2012
Tens of thousands of students in universities across Britain have been caught cheating in exams and coursework - and the trend is on the rise, according to a investigation by The Independent on Sunday.
Over the past three years, more than 45,000 students at 80 institutions have been hauled before college authorities and found guilty of "academic misconduct" ranging from bringing crib-sheets or mobile phones into exams to paying private firms to write essays for them.
But officials last night warned they were fighting a losing battle against hi-tech advances - which means it is becoming increasingly difficult to detect the cheats.
Tessa Byars, an advice services manager at Anglia Ruskin University Students' Union, warned that advances in technology had made it "nearly impossible" for universities to keep up.
independent.co.uk/news/education/education-news/45000-caught-cheating-at-britains-universities-7555109.htmlHundreds of students from Clear Lake High School in Houston tried to pull a fast one on their teachers by texting one another answers to a final exam last month.
Experts are warning that the number of cheating teachers is also on the rise, both in UK and US :