Nowadays, the educative manager or principal has a series of tools of modern administration that allow him/her to guide the educational institution towards quality. Thus, he/she must fulfils a series of functions that are framed within the administrative process, such as planning, organizing, directing and controlling activities in the educational institution. This article´s main objective is to present some of these contributions and the way in which the principal can use them to improve the educational institution. The modern administration puts at the disposal different conceptions that help to visualize the way in which the institution must be managed. The main conclusion that is extracted is that a unique theoretical framework does not exist that can ensure the success of a principal, instead, there must be a use of the best aspects that each of the conceptions that the modern administration have in order to adapt them, according to the circumstances.