On a school trip to the nearby Cathedral of Saint-Jus, students of the local school Therese Leon Blum where warned against making the sign of the cross upon entering the Cathedral. As a punishment, the teacher mentioned three hours of after-hours at school. One of the parents wrote to the council to complaint but did not receive a response.
Source: http://www.christianophobie.fr/breves/lincroyable-christianophobie-dun-professeur-dhistoire-du-college-cite-de-narbonne