Teachers with multiple courses assigned to one period prefer to view attendance by period in order to take attendance in the same screen. The OFSDP campuses can only submit attendance in the "view attendance by class." Most OFSDP teachers teach multiple classes in one period so they would like to enter their minutes by period just like the regular attendance side.
The OFSDP teachers always teach multiple courses in a period so this change would allow the attendance taking process more streamlined.