When I was governor of Massachusetts, to get a high school degree you had to pass an exam.

WHITEHOUSE: The White House

In 2000 Mikhail Saakashvili, then Georgia's minister of justice, sacked two-thirds of his country's judges for failing to pass an exam.

ECONOMIST: Economics and the rule of law

This follows concerns that such competition leads to a "race to the bottom", with an incentive for exam boards to attract more business by making it easier to pass.

BBC: GCSEs replaced by 'English Bac' in key subjects

They complete 64 hours of training over an eight-day course and have to pass a written and practical exam before receiving volunteer status.

BBC: NEWS | Health | Volunteers boost ambulance crews