The study aims to determine whether the use of mind mapping techniques is effective in developing students’ speaking skills to the eleventh grade students at Islamic Private School in Semarang by using quantitative research design. The subjects of this study were 54 students drawn from two classes, XI IPA 6 as the control class and XI IPA 4 as the experimental class. This study used SPSS in analyzing speaking test data through several activities. They were pre-test before treatment, and post-test after treatment. The result of the research shows the significance difference in the students’ performance who were taught after applying mind mapping technique. It can be seen in the result of mean score in the post-test of experimental class which is 90 and control class which is 89 and as a result Sig. (2-tailed) was 0.162 > 0.05, which implies that H0 was accepted and Ha was rejected. In this case of treatment actually, the analyst got a great course level both control and experimental class. The result still concluded that learning procedure mind mapping technique for teaching speaking for the eleventh grade srudents of Islamic Private School in Semarang in the academic year 2020/2021 were not effective.
Key Word: Mind Mapping Technique, Descriptive Text, Speaking Performance