Part of the problem seems to be that bans on religious symbols, such as headscarves, also include bans on Christian crosses, or Jewish skull caps etc, in public schools. Since most devout Christian or Jewish students attend religious schools, this has limited their exposure to such discrimination.
The report is quite interesting, for anyone who has read it. If not, it's here:
http://www.amnesty.org/en/library/asset/EUR01/001/2012/en/85bd6054-5273-...
Part of the problem seems to be that bans on religious symbols, such as headscarves, also include bans on Christian crosses, or Jewish skull caps etc, in public schools. Since most devout Christian or Jewish students attend religious schools, this has limited their exposure to such discrimination.