Yes, the city that brought you MacKinnon’s anti-pornography ordinance (struck down by American Booksellers Ass’n. v. Hudnut, 771 F.2d 323 (7th Cir. 1985)) now brings us a public school internet content filtering policy, which includes this little gem.
Alternative Spirituality/Belief: Sites that promote and provide information on religions such as Wicca, Witchcraft or Satanism. Occult practices, atheistic views, voodoo rituals or any other form are mysticism are represented here. Includes sites that endorse or offer methods, means of instruction, or other resources to affect or influence real events through the use of spells, incantations, curses and magic powers. This category includes sites which discuss or deal with paranormal or unexplained events. (source) (link courtesy Freedom From Religion Foundation)
The way I read that, it would seem that it should ban all Christian themed websites. However, I’m pretty sure that the Indianapolis School District only meant to ban access to websites about “bad religions.”