After failing two exams, Diana left school when she was 16. She was then enrolled in a Swedish finishing school but insisted on returning home

FILE – In this 1980 file photo, Lady Diana Spencer, 21, Prince Charles’s girlfriend, is pictured at the Kindergarten in St. Georges Square, Pimlico, London, where she works as a teacher. It has been 20 years since the death of Princess Diana in a car crash in Paris and the outpouring of grief that followed the death of the people’s princess. (AP Photo, File)