I modified the original post to clarify...Churches would be forced to marry anyone who asked.
I'm sorry, but again, that is untrue.
A proposition, any proposition, if passed, changes or creates a law. If the proposition fails, the law does not change. That is the very definition of a proposition.
Are you saying churches are currently forced to perform a wedding they do not condone or sanction? If proposition 8 fails, the law is not changed.
Schools are NOT required to have their students attend a gay wedding. If fact, schools are not required to teach about marriage at all, are they? If Prop 8 fails, there is no new law created to mandate that. A failure of Prop 8 creates no new law.
However, if a school teaches about different types of families, or what is LEGAL or not legal, then of course, they would need to include same sex families. Or do you believe that children who are part a same sex parented family should be told their parents are evil? Personally, I'm OK with not mentioning anything about any marriage to young children in school, but when the kids are older, I think the consequences and risks of all relationships should be included in health classes.
Your propaganda is not born out by the very definition of a ballot proposition.
A failure or NO vote = no changes to existing laws.
A passage or YES vote = new laws and restrictions on established rights.
Again, that is the very definition of ANY proposition, not just Prop 8.
Oh, and BTW, I know it has been a while since I was in school, but when I was younger, parents needed to sign a permission slip whenever children left the school grounds for a field trip. That means that the children that went to that wedding had to have the permission of their parents. I can't imagine, given all the modern liability issues, that permission slips would no longer be required. Obviously, if a parent had a problem with it, they could have refused to give their permission.

No matter what your propaganda claims.