There are multiple existing and emerging models and methods of psychological assessment derived from a variety of theoretical or empirical perspectives. Integration of information relating to personality, behavior, and social-emotional competence as part of the psychological assessment with psychoeducational data can better inform service delivery and the outcomes of the children and families served. The various models and methods of psychological assessment used by school psychologists are reviewed in this article. The advantages and complexities of integrating information using actuarial and clinical judgment are explored. Finally, a discussion and model of how psychological and psychoeducational data can be used to aid in the understanding of the child and facilitate intervention planning is provided.