“There are instances where in classrooms, you have curriculum that is needed to use flags such as World War II, Civil War,” he said. “You may have a Nazi flag. You may have a Confederate flag, and so you are allowed to display those flags… as part of the curriculum, and that is okay.”
There are no such instances. Students are fully capable of learning about the Confederacy and the Nazis without those actual flags being present in the classroom. They know this, so there must be some other reason they're pushing this bill.