Students, teachers and parents marched in cities across France on Tuesday and protesters blockaded hundreds of schools, in the biggest day of action in a wave of demonstrations demanding the government tackle understaffed and dilapidated classrooms. In Marseille, Nantes and Lyon, the street protests began peacefully mid-morning, with the largest demonstration expected in Paris in the afternoon. Youngsters held aloft smoke flares and placards reading “Under our schoolbooks, anger” and “Where are...