In a secular state bruised by a string of jihadist attacks, religious education is a sensitive subject. But in recent years, France has cautiously begun developing religious education in schools.
Except in the regions of Alsace and Moselle, which were part of Germany when France's secular school system was created in the 1880s, there is no religious instruction for the 10 million pupils in state schools.
But in the wake of attacks that have killed 241 people, claimed by radical Islamists, since January 2015, the state has begun to look again.
The national education minister has introduced the "secular teaching of religious facts".