Next month your school will receive a grade. To get an A they’ll need to show success with student achievement and growth.

When Lizzette Reynolds took over as Commissioner of the Tennessee Department of Education in late July, she immediately inherited the huge job of deciding how to provide an A through F letter grade to every public school in the state.Thursday, Commissioner Reynolds unveiled exactly how her department plans to do that, through a simple calculation that mostly splits student achievement and student growth equally.