In this comprehensive guide, Autism Partnership provides a detailed framework for implementing Applied Behavior Analysis (ABA), the most widely used and thoroughly studied autism treatment, in classroom settings. The contributors to this invaluable book, all practitioners in ABA, chart an accessible, step-by-step strategy based on the specific needs of students, staff and district. This includes staff and personnel training, evaluation and ongoing performance of the program. As it outlines the underlying philosophy and vision of an ABA-focused curriculum, this guide carefully maps out the best approach for a successful preschool and early education classroom and in the process, offers a more natural learning environment for the child with autism.Autism Partnership provides valuable support and ABA training in the classroom setting. Their ABA classroom model has been used in some of the largest school districts in the United States, namely Las Virgenes Unified School District in California, Clark County School District in Nevada, Los Alamitos Unified School District, and Knox County Schools in Tennessee. With the publication of It s Time for School! they broaden their reach, making it possible for all schools to take an important first step in setting up system-wide services to address the needs of children diagnosed with autism.