The Effect of the TSTS Learning Model on Student’s Achievement

This study aims to determine the effect of Two Stay Two Stray (TSTS) type cooperative learning model on student’s achievement of SDK Golo Mongkok students. The type of research used in this study is a quasi experiment. The data collection technique used in this research is test technique. The instrument used was a test question. Data analysis used is a prerequisite test which includes normality test and homogeneity test, as well as t-test. The results of this study indicate that by applying the TSTS learning model gives a positive influence on social studies on student’s achievement. This is inseparable from learning activities that involve all students in the group. The success is characterised by the ability of students to answer questions from the discussion results and the final test.