Over the last several years, Ofqual, the regulator of school examinations in England and Wales, has been conducting an extensive research programme on the reliability of GCSE and A Level grades. Some key results were published in November 2016 in a report entitled Mark...

Grade misallocations real...

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​My blog How reliable are GCSE and A level grades?  featured a chart, published by the exam regulator Ofqual, showing, for six subjects, the probability that a GCSE or A level candidate is awarded the right grade: so, for example, for physi...