It results from the above that, in teaching establishments, the wearing by students of symbols by which they intend to manifest their religious affiliation is not by itself incompatible with the principle of laïcité, as it constitutes the free exercise of freedom of expression and of manifestation of religious creeds, but that this freedom should not allow students to sport signs of religious affiliation that, due to their nature, or the conditions in which they are worn individually or collectively, or due to their ostentatious and provocative character, would constitute an act of pressure, provocation, proselytism or propaganda, or would harm the dignity or the freedom of the student or other members of the educative community, or would compromise their health or safety, or would perturb the educational activities or the education role of the teaching personnel, or would trouble public order in the establishment or the normal functioning of the public service.