She survived after being flown to Britain for treatment.
She has since become a symbol of defiance in the fight against militants operating in Pashtun tribal areas in north-west Pakistan - a region where women are expected to keep their opinions to themselves and stay at home.
Education for every child is Malala's goal
Before the 2013 Nobel Peace Prize announcement, she told the BBC's Panorama program that winning the peace prize would be "a great opportunity" but universal education remains her true goal.