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The General Certificate of Secondary Education (GCSE) is a set of exams taken in England, Wales, Northern Ireland and other British territories. They are usually taken by students aged 15-16, after two years of study. Some pupils can take their exams early if their teachers think them able. Most students taking their GCSEs study between 5 and 12 subjects.
All pupils have to study English, mathematics and science until they are 15-16. They do not have to take the GCSE exams, but the large majority do so. In Wales, students must also study Welsh until they are 14.
Most schools require that a pupil passes 5 or more GCSE exams at grades C or above before they can move on to study A-levels. some schools you have to take I.T and R.E.