30 times teachers were way smarter than their students

Students always have cheeky tricks up their sleeves, but some teachers are experts are fighting fire with fire.

22words has compiled 30 situations when teachers outdid their students' mischief.

They deal with cheaters, teenagers' addiction with phones and come up with the most brilliant exam questions ever.

With witty comebacks and assay instructions, these teachers show who is boss in the classroom.

View the gallery above to be entertained.