This study aims to determine the effect of the Index Card Match learning model on students' learning outcomes in Economics, specifically on the topic of the Price Index, for grade XI students at SMA Negeri 1 Juli. This research employed a quantitative approach utilizing a quasi-experimental design. The research sample consisted of 32 students from class XI IPS 1, selected through a purposive sampling technique. The instruments used in this study were pretests and posttests to measure the students' learning outcomes. The results indicated a significant improvement between the students' pretest and posttest scores following the implementation of the Index Card Match learning model. The average pretest score was 37.23, which increased to an average posttest score of 81.03. Based on the N-Gain calculation, the improvement in students' learning outcomes was categorized as moderate, with an average score of 0.68. Hypothesis testing using the Paired Sample T-Test yielded a significance value of 0.000, indicating that the application of the Index Card Match model had a significant effect on improving students' learning outcomes. Therefore, it can be concluded that the Index Card Match learning model is effective in enhancing students' learning outcomes on the topic of the Price Index in grade XI at SMA Negeri 1 Juli. This study recommends the use of this learning model to increase students' active participation and learning motivation in Economics.