Translation: the ACLU can force schools to keep pro-Communist books in school libraries, because it facilitates the brain-washing of young people. It's in the Constitution (see: Penumbra).
I'm sick of all the liberals whining all the time. Whine, whine, whine, that's all they ever do. :^(
So the students have the right to require the school to put any book that the ACLU wants in the school library?
If I were the judge, I'd assess fees and costs against the ACLU after I threw them out on their head.