Attendance Reminders going to all teachers or only Head?

Daniel Wallach

I'm setting up attendance reminders and the only teacher merge field available is for the Head Teacher. However, the recipients available are role-based which doesn't relate to who the Head Teacher of a class is, and all teachers assigned to a class have the ability to take attendance. Assuming I select Teacher for recipients, will the message go to all teachers of a shared class? We'd probably want to leave the Head Teacher merge field out if so. I didn't see this spelled out anywhere in documentation.