Maths star Sam Sloan, who is 12, is celebrating after gaining an A* in his maths GCSE.Sam, a pupil at Birchwood High in Bishop's Stortford, got the top grade after averaging marks of 96% over the two maths exam papers.Birchwood maths teacher Angelo Crolla said: "I am absolutely delighted for him."When Sam, who lives at Wheelwright Close, St Michael's Mead, Stortford, returns to school after the summer holidays he will do A level maths. Sam said: "'What has made me really happy is...
