Religious Dress back in the News: Sikh Girl Excluded from School

The BBC (and many others) report this case of a girl excluded for refusing to take off a bangle which she considers part of her Sikh faith.
Read the story at: http://news.bbc.co.uk/1/hi/wales/south_east/7081573.stm

While the BBC has its usual ranting site at http://newsforums.bbc.co.uk/nol/thread.jspa?forumID=3792&edition=1&ttl=20071107145207 I thought maybe some of the readers of this blog would like to comment here:
– should a school have a uniform policy that bans all religious expression?
– should it have uniform at all?
– should this pupil be allowed back – is she right to hold firm to her belief that she must wear this item?

I look forward to comments…
Dave