Sounds like a teachable moment. If a few GI's could be persuaded to write a few paragraphs about what's really going on in Iraq and send them back to the school with a copy to Fox News or someone who would actually run the story, the kids could get some real education.
Better yet get some returning soldiers to demand they get equal time in that class room. Have them share the stories of how they helped the people free themselves. Then one by one read the students letters outloud in front of their classmates and have these soldiers look them square in the eye and ask..." Do you still believe that?"