2017-11-272017-11-272005-08MIRANDA, Marília Gouvea de. Sobre tempos e espaços da escola: do princípio do conhecimento ao princípio da socialidade. Educação e Sociedade, Campinas, v. 26, n. 91, p. 639-651, maio/ago. 2005.0101-7330e- 1678-4626http://repositorio.bc.ufg.br/handle/ri/13026This article discusses the proposals of the education or- ganization in terms of formation cycles. Its aim is to understand the underlying principles related to the rationality of the educational re- forms in course in Brazil. It understands that these proposals imply a change in the principles that conduct the organization of the spaces and times of the public school: the school built on the principle of the knowledge would be giving place to a school guided on the principle of the sociableness. It deals with a change in the way of conceiving the school with important implications in the relationship between edu- cation and society. The diversity of meanings attributed to the idea of cycles as stated in this literature is questioned, as well as the absence of a clear explanation about its principles. It concludes that this innova- tion must be more debated since most of publications on the subject are guided by its justification.porAcesso AbertoCiclos de formaçãoPolítica educacionalReforma educacionalRacionalidadeFormation cyclesEducational politicsEducational reformRationalityArtigo10.1590/S0101-73302005000200017