Generate text that refutes this claim: Religious symbols cause problems in schools.  As well as division in society in general, religious symbols are also a source of division within school environments. The Hijab causes schools many problems. It is potentially divisive in the classroom, marking some children out as different from the others and above the rules that the school enforces for everyone else. This may lead to alienation and bullying. Full headscarves may also be impractical or dangerous in some lessons, for example PE, swimming, or in technology and science lessons where machinery is being operated. In the same way, there have been discussions as to whether to ban the display of Crucifixes in public classrooms. Authorities in Italy have followed through with the ban saying that such a Christian symbol segregates those who are not Christian.1  1 'Decision due in Crucifix ban case', Times of Malta, March 17th 2011 , accessed on 24th July 2011
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Intolerant schools cause more problems for not allowing freedom of religious expression. In a multicultural society, students should be aware of the different religious practices and cultural traditions of their classmates, and be taught to understand and respect these. Without such respect, religious groups with distinctive symbols, such as Orthodox Jews, Sikhs and Christians, will be driven out of mainstream education and forced to educate their children separately.1 As for the worry about safety issues, particularly concerning hair length, most classroom accidents occur when loose, long hair gets caught in machinery or in a flame which would not be a problem when hair is held in place under a headscarf.  1 'Religious Rights and Wrongs', The Economist, 4th September 2008, accessed 24th July 2011