Abstrak
This study aims to determine the level of self-confidence, the level of students’ academic achievement, and the relationship between self-confidence and academic achievement of students at Madrasah Tsanawiyah Wali Songo. This research employed a quantitative approach with a correlational design. The sample consisted of students selected using a specific sampling technique. The instruments used were self-confidence and academic achievement questionnaires that had been tested for validity and reliability. Data were analyzed using Pearson Product Moment correlation. The results showed that there is a significant relationship between self-confidence and students’ academic achievement. Students with higher levels of self-confidence tend to achieve better academic performance. Therefore, self-confidence is an important factor influencing students’ learning success.