There is a girl in DD's class who has recently taken a dislike to DD. They found out their new classes today and there was a bit of upset over it and this girl apparently went up to DD today and whispered to her "I'm going to be REALLY horrible to you" and gave her a threatening look. Normally I would be in to see the teacher straightaway but this girl won't be in DD's class next year and as we only have a few days of school left, should I just forget about it for now and speak to DD's new teacher if it continues next year?