This study was conducted based on the importance of speaking, because speaking is the important tool for communication. Based on the observation of August when I was Practicing Teaching Intership 2017 at the tenth grade of SMAN 13 Semarang showed that students had some difficulties in speaking. study was conducted based on the importance of speaking, because speaking is the important tool for communication. They felt shy and unconfident to share their opinion in the classroom. The objective of this study was to find out the effectiveness of using storytelling to teach speaking of narrative text at the Tenth Grade of SMAN 13 Semarang. This research used quantitative research, which was conducted in two classes namely; (X MIPA 4) as the experimental class, which consisted of 38 students and (X MIPA 1) control class, which consisted of 37 students. The experimental class was taught by using treatment and the control class was taught without treatment. Then the researcher gave pre-test and post-test to both control and experimental classes by using oral test. The data was analyzed by using t-test. It was used to determine students’ score in experimental class and control class. The result showed that pre-test average score of experimental class was 54.105 and the control class was 57.945. The post average score of experimental class was 77.157 and the control class was 69.837. It was obtained that t-test was 2.329 and t-table was 1.666 for a = 5%. The t-test score was higher than the t-table (2.329>1.666). Since t-test score was higher than t-table, the researcher concluded that Using Storytelling was effective in teaching speaking of narrative text at the tenth grade of SMAN 13 Semarang in the Academic Year of 2016/2017.