School Dashboard for Administrators

Getting Started: Administrator Dashboard
What can I do on the Administrator Dashboard?
What information can I see on the Assessments page?
As a school administrator, how can I notify my teachers that I want them to administer a school-wide assessment?
As a school administrator, can I add students to teacher rosters?
As a school administrator, can I delete teachers that are no longer at my school?
As a school administrator, how can I invite new teachers at my school to join Freckle?