Katharine Birbalsingh, the headteacher at a free school in North London called Michaela Community School, sent an ominous letter to Dionne Kelly after she missed a payment for her 12-year-old son Reon's lunches. The letter, written by deputy head Barry Smith, informed Kelly that until she paid her balance, her son would be put in "Lunch Isolation"—forced to sit in a room alone, sadly gnawing on a sandwich while his classmates enjoyed their regular hot lunch.