In France, a quarter of the population is in the education system ; public instruction is compulsory and free of charge up until 16 years old, and heavily subsidized for higher education. But it doesn’t mean it has to make sense, though… When French children go to school, they go through « CM2 », end up in « Terminale » at 18, after four years in « le collège ». Let’s try to figure out what this all means. L'école en France : http://www.commeunefrancaise.com/l-ecole-en-france/