102 Grades. Our obsession with them fails everyone. An interview with Exam Nation author Sammy Wright

Send us a text What is school for, and are exam grades a good measure of a human? Does someone's grades tell us what we should know, or are we being misled? Do grades help children grow and engage with learning, or do they simply destroy interest and entrench social divisions? These are the sort of questions that perplex many of us who are parenting teenagers. It’s coming to the end of summer in the UK which means there’s been a wave of exam results and the beautifully timed release of a ter...