This study investigated the effectiveness of peer tutoring learning in enhancing students’ speaking accuracy. The main purpose was to determine whether peer tutoring learning significantly improves students’ speaking accuracy. A quantitative approach with a pre-experimental design was applied to examine the influence of peer tutoring on students’ speaking accuracy. The population comprised all second-grade students of SMPN 2 Sungguminasa, totaling 120 learners, from which 42 students were chosen as the sample. A speaking test was utilized as the research instrument. The findings indicated that peer tutoring learning was highly effective in improving students’ speaking accuracy, as demonstrated by the T-test result with a significance value of 0.000, which was lower than 0.05. Therefore, the alternative hypothesis (H1) was accepted and the null hypothesis (H0) was rejected. The results also showed a substantial improvement in students’ scores from the pre-test to the post-test, especially in the aspects of pronunciation, vocabulary, and grammar. It can be concluded that peer tutoring learning is effective in improving students’ speaking accuracy.Keywords: peer tutoring, speaking, accuracy
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