If A Level students think they're under pressure spare a thought for South Korea's High School seniors whose exams spark the nation into action.

The College Scholastic Aptitude test determines which college the school students get into - or not - and is judged so important that government offices and the stock exchange open an hour late, while planes are banned from take-off and landing to keep the noise down for the stressed students.

Some children even get a police escort to the exams.

Read the whole story at Reuters