Annually measured – based only on all students approved rates and the results of standardized tests of part of these students – the Education Development, Index in São Paulo state (Idesp), indicates, from 2008, the quality of Basic education of more than five thousand of São Paulo public schools of regular teaching. The purpose of this article is to present that the schools, based on Idesp determinate the school practices to be made in which the excessive mock test are implicated promotion – guided primarily on attendance records – from the students to the following series. This statement is possible from our pedagogical meetings participation in four of these schools, from 2008 to 2011.