Аннотация:The acceptance of Binet's psychometric work in Brazilian education in the first decades of the 20th century is discussed, focusing on authors who produced a critical view of the use of IQ tests, or experienced a tension with authorities when implementing them within schools: Manoel Bomfim, director of Pedagogium RJ, one of the first scholars to introduce Binet's work in Brazil; Maria Lacerda de Moura, a normal schoolteacher who aimed at establishing in Barbacena, MG, a psychological laboratory, facing opposition from state authorities; and Helena Antipoff, Russian psychologist who, as director of the laboratory of psychology of the Belo Horizonte Teachers' College, built the concept of 'civilized intelligence' to address the influence of social conditions on children's test performance.