Fair point - I probably made the waiver more complicated than it needed to be....just make the parents sign a form that makes any accident their responsibility and not the school's.
Ah - I'll stop myself there - I can see where this is going now..."Define an 'accident' "
As I said yesterday, time to throw in the towel on this country's libel laws as there's always a loophole waiting to be exploited by some half wit parent.