...hold on...
"the school sent an email ...
... contacting our management information ... and ensuring that the SMS message was removed and recalled."
...so, was it an e-mail or an SMS? And how do you "recall" an SMS (or a sent e-mail) ? Do they know what is the difference between the two ?
This is obviously "damage control in panic mode", but is also indicative of the knowledge (or lack of) about the systems they are supposed to use.