This study aims to determine the activities of teachers, students, and student learning outcomes in learning Social Sciences. This study used a qualitative approach with the type of Classroom Action Research (CAR) conducted in 2 cycles. The research subjects were VB grade students of SDN Pemurus Luar 1 Banjarmasin, totaling 25 people. Data collection techniques used observation and tests. Data analysis used is descriptive analysis. This can be seen from the results of research that show that teacher activities are very good criteria. Student activity has increased to a very active category. The completeness of student learning outcome has increased from 48% to 96%. Based on the results of this study, it can be concluded that there is an increase in teacher activity, student activity, and student learning outcome using a Group Investigation learning model combined with Think Pair Share and Course Review Horay.