This article deals with the establishment of an educational group of teachers who work with early grades of primary education in a municipal school in the state of São Paulo. The group redefined the established practice of make-up classes established in the school and assumed the co-responsibility for the learning of those children who needed extra time for learning. This fact encouraged teachers to work together to promote a collective effort to help all children. The collective dimension appeared when teachers, aware of the conflicts experienced in school practice, defined objectives and actions that enabled students' learning. We explicit that the development of collective work does not imply the absence of differences and consider that it is possible to agree on the objectives that the group's participants work for, in spite of the differences.
teacher education; collective work; school