This study aims to determine the effect of the PBL model on students' critical thinking skills in the Pancasila Education Subject at SMA Negeri 1 Tanjung Batu. This study uses a quantitative approach with an experimental method. The population in this study were 72 students in grade X at SMA Negeri 1 Tanjung Batu. The sample of this study was class X.1 as the experimental class and X.2 as the c…