Opinion on teacher's suit
In pdf, here. The court rules against the teacher's interesting argument that the state pre-emption statute, which forbids local units to pass gun-related "ordinances," bars the school district's employment policy that teachers cannot pack. The court rules that a policy of this type is not within the ordinary meaning of "ordinance," is known to and applies only to teachers, who take their jobs subject to it.
Here's her attorney's webpage on the case, with pleadings.