Arlington Tiered System of Support (ATSS)

The Virginia Department of Education defines a Tiered System of Support as a framework and philosophy that provides resources and supports to help every student reach success in academics and behavior. It begins with systemic change at the division, school and classroom level that utilizes evidence-based, system-wide practices to provide a quick response to academic and behavioral needs. These practices include frequent progress monitoring that enable educators to make sound, data-based instructional decisions for students.