The book “Your Key to Success in Professional Competence” is simply a book directed to women and men of education who are about to enter professional competitions and also to everyone who is about to pass education competitions in Morocco. This book aims to adopt a simple and easy method to explain the sciences of education and didactics according to a simplified method based on the model of drawings, charts and maps. It also presents the chronology of education reform in Morocco and addresses the various developments in education and training to improve the educational learning process, in addition to the methodology of teaching school subjects, especially at the primary education levels (Arabic language, French language, sciences), and a set of previous exam models with correction.