Seems pretty straightforward. Kids wandered away from school, this teacher being discussed here said it’s her school and didn’t want people to think the worst (of her school, not her, as it wasn’t her class).
Her twitter post has the link:
“Kindergartners walk away from school; Mother wants explanation http://bit.ly/NZ6cGs”; This is my school! Please don’t assume the worse
11:03 AM · Mar 7, 2014 from Fall River, MA·”
https://turnto10.com/archive/kindergartners-walk-away-from-school-mother-wants-explanation
It helps to read the articles and links reference in these threads.
“When all else fails, read the manual.”
Good point. With diligent research the reader can reconstruct what the author could have just told you in the first place.