I wasn't suggesting Antlers call her up and some long R talk to show her how it is hurting the children.
No matter what the root cause is though if it is not addressed it won't ever go away, right? I can't say I know the best way to address it but it would seem that somehow it would need to be addressed.
A plan is a good idea to improve the grades. Understanding why the grades dropped and how that can be rectified is equally as important. Just my 2 cents!
