Children in Coventry were banned from taking their GCSE maths exam after wearing the wrong shoes to school.
The trainer-wearing 15 and 16-year-olds were sent home 20 minutes before their exam, after they refused to sit the exams in their socks
Parents have condemned the teachers for a sudden turn around on school uniform policy that could severely affect their children's GCSE grades.
A total of 17 children were sent home and could now have to re-sit the exam paper with next year's class.
Patrick Doherty complained that he did not want to sit the exam without his shoes on, for fear that his feet may smell.
His mother Nicki Doherty claimed: "I am flabbergasted. The school clearly cares more about dress code than they do about the children's education."
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