Adilla Pinasti Pengarang Sahid, S.S., M.A. Dosen Pembimbing 2 Niken Kencono Ungu, M.Pd Dosen Pembimbing 1 Niken Kencono Ungu, M.Pd Penguji 1 Sahid.,S.S.,M.A Penguji 2 Arif Widyantoro,M.Pd.B.I Ketua Penguji

Pinasti, Adilla. 2022260024. 2025. The Effectiveness of CommunicativeLanguage Teaching (CLT) Method to Improve Students’ SpeakingAbility for Eleven Grades of SMK Wiratama 45.2 Wonosobo.This study aims to determine the effectiveness of CommunicativeLanguage Teaching (CLT) method in teaching learning process and Englishspeaking ability about “introduce my self” for eleven grades of SMK Wiratama45.2 Wonosobo. This research usea experimental design with a population of alleleventh grades students of SMK Wiratama 45.2 Wonosobo, namely XI TKR, XI TKJ and XI APH. The samples of this study are XI TKR 2 and XI TKR 3. Thisresearch used pre-test and post-test to collect data. The results show that use ofCLT method is effective to improve speaking ability. In experimental class, theaverage pre-test score was 52 and the average post-test score was 76. While incontrol class, the average pre-test score was 58 and the average post-test scorewas 68. Based on the resukts of the analysis, it can be concluded that the use ofCLT method is effective to improve students’ speaking ability for eleven grades inSMK Wiratama 45.2 Wonosobo. The implementation of the use ofCommunicative Language Teaching can be seen from the enthusiasm of studentsin applying this method on the Communicative Language Teaching is quite good. Thiscan be inferred from the final results of the average post-test experimentalclass. to determine the significant differences between students who are taught byusing Communicative Language Teaching method and those who are taughtwithout using Communicative Language Teaching method Keywords: Clt Method, Improving Speaking Ability, Teaching Speaking.