(FILES) In this file picture takenon June 16, 2014 French students work on the test of philosophy as they take the baccalaureat exam (high school graduation exam) at the Fustel de Coulanges high school in Strasbourg, eastern France. A total of 684,734 Students across France are registered to take their written baccalaureat exams at over 4,200 examination centres across France between June 17-June 24, 2015. AFP PHOTO/FREDERICK FLORIN (Photo credit should read FREDERICK FLORIN/AFP/Getty Images)
