Washington Elementary School, West Harvey-Dixmoor SD 147, has been implementing PBIS for two years and developing Tier 2 systems under the leadership of its principal, Dr. Earnest Taylor. Clarifying agendas and communication between Tier 1 and Tier 2 team functions are system improvements that have already produced positive outcomes. As the number of students participating in CICO has increased, the school has seen a large drop in major ODRs and OSS (100% decrease for each) during the first quarter of 2009-10 as compared to 2008-09. Their continued emphasis on fidelity of both Tier 1 and Tier 2 systems and practices should result in continued positive student outcomes.