The specificity of educational contexts as mediators of social development through positive interactions is critical to children’s involvement in the kindergarten and therefore for their holistic development. The qualities of teacher-child interactions enhance the child’s self-esteem and autonomy, promoting peer acceptance and providing a successful learning experience. The purpose of this study was to investigate whether the characteristic of gender and age are related to the acquisition of social skills of children attending kindergarten in a portuguese-speaking environment. The sample is composed of 581 children, age from 2 to 7 years old, who attended preschool education on average 18 months ago. Social Skills subscale (EAS) and Behavior Problems (EPC) was applied to the “Behavioral Scale for Preschool-PKBSpt” (Gomes & Pereira, 2012), Portuguese version of PKBS-2 (Merrell, 2002), Likert-type, four response levels, which seeks to assess the...