The article is devoted to the development of intellectual skills of future primary school teachers in Kazakhstan. The main purpose of this study was to determine the impact of special education on the intellectual level of students, including creative, reproductive and critical thinking skills. Students of the Department of pedagogy attended the study and methods of primary education of the Abai Kazakhstan National Pedagogical University. The principle of experimental research used in the study. The data collected through the survey analyzed using the method of quantitative analysis. Descriptive statistics and Mann-Whitney and Wilcoxon evaluation criteria obtained. The results showed that special training for the development of students' intelligence has a positive effect on the experimental group. In the experimental groups, the level of heuristic, creative, reproductive and critical thinking skills increased after 8 weeks of special training, while the results in the control groups with traditional training showed that the dynamics of the above skills were weaker than in the experimental groups.