What variety of Judaism? What variety of Christianity? Suppose you have a Jewish family who doesn't want their kid taught Catholicism? Or a Catholic family who doesn't want their kid taught Mormonism?
Better to keep religion out of the public school curriculum entirely. (I'd have no objection, BTW, to purely voluntary after-school religion classes on school property, provided that any interested group was allowed to offer a class).
Or suppose it is a family of Christians who don't want their children taught evolution. Your entitled to your opinion. Mine remains "the complete absenence of faith in school is baffling when one considers the influence (both good and bad) of faith on science, history, literature, law, and even the #1 school subject self-estem / self-centeredness."