"You can clearly see she did not even spell the word bus right," said Mr Dahu.
"Y'know, in case the childlike handwriting and lack of signature weren't dead giveaways either."
In a statement, the school district said the situation is being investigated: "Sheldon ISD is currently investigating the situation. We are reviewing our training procedures to ensure that our after-school grant programme staff is properly trained in dismissal procedures.
"At this point, the district is continuing to investigate and will take proper disciplinary action. As always, student safety is our top priority."
Bizarre. Totally bizarre.