The research question addressed in this study is: Does the peer lesson strategy influence the learning of nahwu (Arabic grammar) in the eighth-grade class at Pondok Pesantren Tarbiyah Islamiyah Kamang Mudik, Agam? This study aims to assess students' abilities in learning nahwu prior to the implementation of the peer lesson strategy, to explain the strategy's implementation, and to evaluate its impact on improving learning outcomes. This research employs a quantitative field method using a quasi-experimental design…