Nine in ten students text in class, with one in ten doing it during exams.
Data collected by Online College reveal some worrying (and disgusting) statistics about mobile use in the US.
Alongside stats that 10 per cent of under-25s have texted during sex, is the revelation that nearly four million phones have been dropped down the lavatory with a shocking 16 per cent having traces of faecal matter.
On a more serious note, three in four adults admit to using their phones while driving and there are 30 million more active phones in the US than there are citizens.
View the full infographic below: