The article presents the evolution of the concept of the establishment’s power and sources of administrative establishmentsʼ law in the field of activity of the administrative establishment. The aim of the article is to explain what legal forms of public administration activity determine the legal situation of the administrative establishment user in the field of school activity. The subject matter of the article is divided into three parts: 1) reinterpretation of the concept of the establishment’s power in the doctrine of administrative law and in the judiciary; 2) legal forms of public administration activity and the establishment’s power in the field of a school’s activity; 3) expiration of the right to use administrative the establishment’s benefits as a manifestation of the establishment’s power.
