After making the perilous journey from Sri Lanka in a shipping container, Priyanka (middle) was determined her family would seize every opportunity of a better life in Britain. Prizing education above all else, she was never likely to allow her children (her son on left) to slack off their homework and go out drinking like many teenagers here. And it seems other parents could learn a thing or two from her approach after her strict household regime transformed an underperforming 15-year-old (right) into a model pupil. Priyanka’s regime features in a documentary, Living with the Brainy Bunch, to be shown on Thursday on BBC 2. It follows underperforming teenagers at Chessington Community School in Kingston-upon-Thames (top left), south-west London, who were invited to live with high-flying classmates in a bid to boost their GCSE grades.