Evolution is on trial here. Anyone who claims otherwise is naive.
No, anyone who claims otherwise is familiar with the case.
This case is about whether or not ID was adopted by this school board in a stealth attempt to introduce Creationism into the curriculum. That's the issue of fact for the judge to decide. How does evolution enter into that?
You may want evolution to be on trial here, but wanting something does not itself make it so.
There's no mystery as to what the case is about. Here's a copy of the plaintiff's complaint (pdf file). It ends up (page 22) saying that the plaintiffs want teaching ID enjoined because it violates the First Amendment.