France has certainly been pro-active in dealing with this one over the years. The French government has banned head scarves or the hijab and other religious clothing from primary and secondary schools in 2004. More recently, Muslim women wearing burqinis have been barred from public swimming pools on health grounds. And now, Société Générale refused to let a 24-year-old female Muslim customer enter the bank, unless she removed her headscarf. This was for security reasons.
The following video goes into the details.