Public administration is the tool that the State has to fulfill one of its main missions, which is to provide services to users. To achieve this, the administration must be able to adapt to reality in order to satisfy its clients: the citizens. Thus, the Haitian public administration has been facing certain challenges for decades: dissatisfaction and lack of confidence of the citizen, lack of performance, corruption, lack of competence of public agents and clientelism. Thus, in 2005, the State undertook a wave of modernization of the public administration. The National School of Administration and Public Policy is one of the institutions steering the modernization and is supposed to train senior executives for the administration. However, 13 years after its creation, from 2005 to 2018, surveys and daily experiences have shown that the same problems persist, which has led to the research question: what are the factors that have limited the action of the ENAPP in its role of steering the administrative modernization Haiti?