Medical schools in the UK have been told to ignore results from a test taken by 20,000 applicants this year after the examiners decided too many scored high marks.

The UKCAT was introduced by a coalition of 26 medical and dental schools two years ago to help them discriminate between the thousands of straight-A applications they receive. Students, who pay £75 to take the test, answer four sections online at one of their test centres.

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