This study examined the Behavioral and Emotional Screening System Teacher Rating System for Children and Adolescents (BESS TRS-CA; Kamphaus & Reynolds, 2007) screener using Rasch Rating Scale model (RSM) methodology to provide additional information about psychometric properties of items. Data from the Behavioral Assessment System for Children Teacher Rating Scale for Children (BASC TRS-C) norm sample (Reynolds & Kamphaus, 2004) was used. Using RSM, we investigated the structure of the screener, the teachers' levels of endorsement of behaviors, and the performance of the rating scale to measure the latent construct of "maladaptive behavior." The results showed that the majority of items were within acceptable bounds for fit, illustrating appropriate model-data fit. The 4-point rating scale worked well for ratings, allowing for differentiation of children's behavior. Screener items showed varying levels of endorsement, with items measuring internalizing behaviors posing the most difficulty for teachers. The manuscript provides an illustration of how RSM may be used to provide additional psychometric information. Implications for using Rasch methods for scale development and evaluation are discussed. (Contains 1 table and 3 figures.)