This is in no way a complaint against anything you have said.
But it seems there is a catch22 here.
The school has an obligation to retain ESI (e-discovery, email archiving)
Doesn't seem possible for 'professional' communications that take place outside of the schools control AND for the school to be able to comply.
Rare that it might be (the need for retrieval) but seems it would be 'impossible' for services to which the school is not a party.
ie a 'professional' FB account.
Included in our AUP are:
? Strong Recommendation: Maintain separate accounts for personal and