I can tell you that's completely fallacious. Unless it was a private school. It's illegal to teach any one religion in a U.S. public school. The exception would be classes on comparative religion (which I have never heard of being taught at the grade school level), in which case multiple religions are compared and contrasted.
Knesset passes 'Norwegian Law' allowing ministers to resign their seats, remain in cabinet (Haaretz)
from the article: Jews won’t mind Romney’s Mormonism – but Christians might