A work cannot lack serious artistic value in DeKalb, Illinois, if it is considered to have serious artistic value in New York City. Contemporary community standards means that juries when faced with deciding whether a work appeals to the prurient interest or is patently offensive, must use their own sense of what they feel is prurient and patently offensive. The juries decide the issue by their life experience and juries are supposed to be a fairly good representation of the community. The Miller test is only applicable to sexual matters. The work must describe or depict sexual conduct.
Various guarantees create zones of privacy.
The right of association contained in the penumbra of the First Amendment is one, as we have seen. Depends upon which level of school. If you are at college level, you have nearly the First Amendment rights of an adult in society. Colleges have attempted to put speech regulations into effect, but most have been struck down in federal courts. And school officials must follow a policy for book challenges before any books are removed because they are inappropriate for the school level.