This study aims to determine the effectiveness of the Discovery Learning model in analyzing the structure and language of biographical texts for grade X students of SMK Al-Falah Tanjungjaya in the 2025/2026 academic year. The research method used was a quasi- experimental method. Data collection techniques used were interviews and tests. The sample of this study was 10th-grade students at TJKT 1 as the experimental class and 10th-grade students at TJKT 2 as the control class. Based on the results, the average score obtained by students in the experimental class was 90.24 and the average score obtained by the control class was 80.63. This indicates that the Discovery Learning model significantly influenced the learning outcomes of 10th-grade students at SMK Al-Falah Tanjungjaya in the 2025/2026 academic year in analyzing the structure and language of biographical texts.