Why does the school need this data? Special classes in gun safety for children of gun owners? Checking the child's book bag each day for a weapon? Indoctrination of the child in matters of gun control?
You alluded to notification of gays in the household. Can you imagine the uproar if some law was floated requiring children of gays to notify the school?
if a gay rights advocate running for office gets caught getting a hummer from another guy in a public lavatory, that is not nearly as damning if a Bible Thumping gay rights bashing conservative is busted getting the same servicing.
One of you will end up here next!