Harrow was the latest in a line of private schools to opt for the International GCSE in maths, which does not include compulsory coursework. Headmaster Barnaby Lenon said: "We don't like the coursework. It takes a long time to do and has limited educational value." In a letter to parents, the school's head of maths Philippa Davies said the coursework in the mainstream maths GCSE, which all state schools are required to offer, was "increasingly unsatisfactory". She said: "The projects set by the examination boards are not challenging but are always time-consuming." From next year the