A good friend of mine dropped her children off at daycare recently and she sent me a photo of this sign that was on display:
It’s comforting to know that a very lucky group of young children is being exposed to such high-quality grammar. NOT!
Grammaniac
Grammaniac 
I hate when people confuse “do” and “due”….and these are our educators….
Even I know it better – and I am not a native speaker. oO
They also forgot a comma after “Thanks”.