Many children today are entering classrooms without the ability to interact effectively with others; this is often the result of inexperience with social settings. Without proper guidance, these children may become aggressive and disruptive, and are at risk for low self- esteem, poor mental health, dropping out of school, low achievement, poor employment history, and many other difficulties. This action research project implemented and evaluated a program to teach social skills to improve the capacity of primary age students to cooperatively work, learn, and play both inside and outside a school setting. Participants were students in two kindergarten classrooms, one second grade class and one third grade class. The 12-week intervention consisted of teaching and reinforcing 4 targeted social skills--forming groups quietly, listening to the speaker, using low voices, and thinking for oneself. Researchers introduced each lesson by modeling the pro- social behavior followed by an interactive activity in which students practiced the skill. During the final 6 weeks, researchers observed, and reviewed the desired social skills as necessary. Findings of the post-observation checklist indicated an improvement in all four social skill areas. The most considerable difference was observed in students' ability to form groups quietly. It was anticipated that as a result of these interventions, students would gain a sense of belonging and self-worth. (Eight appendices include teacher survey form and findings, observation checklists, and outlines of the four social skills lessons.) (HTH)