This book analyzes school dropout at a Federal Public Education Institution. It is understood that this phenomenon encompasses the definitive departure of the student from their course of origin and as an object of national educational public policies. The aim was to analyze the causes that have been attributed to school dropout, drawing attention to the need to take into account the intra-school and extra-school factors involved in the process, be they social, political, economic and/or pedagogical. In this way, this book makes a qualitative analysis of the phenomenon of dropout within the scope of Technical Professional Education at Secondary Level and is part of the context of initiatives aimed not only at understanding the factors that motivate students to leave their courses, but also at contributing to discussions regarding the policies developed for this type of education.