I live in the UK. Religious worship is a legal requirement in state schools. Some schools do the bare minimum and get round it quite nimbly, and blind eyes are turned, but many schools, including the ones my kids went to, were more enthusiastic. Parents have the right to opt their kids out of the worship but in practice very few do for the reasons I stated. That's just the way it is here. I was a teacher myself in a state school (not a faith school) in which all the members of the senior management team were devoutly religious. I had many a stand-up battle to exempt myself from attending prayer assemblies, harvest festival thanksgiving services and carol concerts, etc. I tell you, you couldn't make it up.