This document provides an overview of the basic components of Positive Behavior Intervention and Supports (PBIS) presented to the staff at Grayslake Central High School. It summarizes PBIS as a proactive systems approach to establish behavioral supports and social culture to help all students succeed academically and socially. It describes the three tiers of PBIS intervention: Tier 1 focuses on universal expectations and supports for all students, Tier 2 provides additional support for groups of students with more needs, and Tier 3 involves individualized supports and plans for students with chronic issues. It outlines examples of interventions at each tier and discusses implementing PBIS through defining, teaching, modeling, and reinforcing the school's RAM values of being