Seeker, FWIW I can totally see your point (I'm a Christian, in case you haven't read my comments below :) )
We are in Australia ahere is no corporate worship of any kind, unless you opt into it. We have GRE (general religious education) which may come up in parts of the social studies or other parts of the curriculum - ie, learning about faiths in a "people of this faith believe such and such" way. We also have SRE (special religious education) which is provided by religions 'approved' by the state (many and varied, but not just anyone who wants to start one - it needs to be a recignised church or group).
So the SRE teachers come from local churches, synagogues etc and teach those children who have opted into that class for 40 mins per week. At special times of year there are also 'opt in' services - eg Christmas and easter. At other times (eg ANZAC day where we remember those who died in galipolli) there is no religious content as such, just general thankfulness expressed IYSWIM.
Recently our school stuffed up and some classes which were given to all students, and were supposed to be 'relaxation' classes (fine) started to take on a spiritual theme, with children being taught how to balance the chakras amongst other things. Myself, and many other parents (of various faiths) complained, because this should only happen in SRE classes and with parents permission.
I've not gone quiet, I really do see where you're coming from!