This article, initially, presents a discussion about some aspects of teachers work concerning the role of school principals in the Brazilian public education. Thus, it considers conceptual elements as the definition of a school principal role and consequent notions of career and salary, analyzing the different faces of this kind of work. In the second part, the text introduces an analysis of the school principals in Brazil and Parana, and for those it takes data from the National Evaluation System of Basic Education - SAEB 2007 -, and for these it uses a database constructed by the authors with answers to a questionnaire responded by principals who participated in the training program called "Escola de Gestores" (ODL mode) between 2008 and 2009 at the Federal University of Parana.
school principal; "escola de gestores"; teachers work
