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.
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