*Authoritative guide to building the capacity of K-12 school psychologists, administrators, and teachers to use data in effective, collaborative decision making. *Broadly applicable--covers both academic and behavioral interventions at the class, grade, school, and district levels. * Unique: covers all aspects of a comprehensive problem-solving process, including how to operate data analysis teams and capitalize on technology resources. *Accessible: presents an applied, step-by-step approach, with case examples. *Ready-to-use features include learning activities, reproducibles, and interactive downloadable tools.