Display the head teacher first on the roster
In the lower school divisions there are often multiple teachers to a class, but the head teacher is the real point of contact. I would like teachers on the roster to be displayed first by head teacher, then by alphabetical order, similar to the way Affinity categories first display department chairs/heads then other members in alpha order.
This should also be done with any "head" of any group type - coaches, teachers, group owners. Those groups already allow for "head" and we can define "personnel types" in addition to that, so the adults should absolutely follow the order of "head" or the personnel type that's established by the school.