This sentence from the review of "King & King" a children's book about "Gay Households" that is used in the 2nd grade classroom of public schools in the state of Massachussets shows clearly why it is dangerous to teach this in shcools:
"The same-sex attraction is normalized. There’s no proselytizing, no big lesson. It just is."
It is being presented to children in "formative years" as a norm. Many children who do not have good parents will be confused - it's guaranteed!
Vote YES on Prop 8. Do more than that, make sure your friends aquaintences and family do also.
Daniel