http://news.bbc.co.uk/2/hi/uk_news/education/7863473.stm

Student Ali Nawaz-ish has passed 23 A levels in subjects including pure mathematics, travel and tourism, and sociology. He got 21 A grades and a B and a C. The 18-year-old, who is now studying Computer Science at Cambridge University, said that he used to be a 'below average' student.