The aims of this research were (1) To know the implementation of tableau startegy in improving students’ reading comprehension achievemenT of the eleventh grade students at SMAN 1 Mendo Barat, (2) To find out whether the significant difference of students’ skill in reading comprehension before and after being taught by using tableau strategy. The class consisted 35 of students. The research design was quasi-experimental design. The students were taught through Tableau strategy in fourteen meetings including pre-test and post-test, and the time allocation was 90 minutes for each meeting. The data were taken from the test and then they were analyzed by using statistical method, Independent Sample t- test. In addition, to describe the process of the implementation of tableau startegy in teaching reading, the researcher used observation sheet. The result of thestatistical computation showed that there was a significant difference on students’ reading comprehension achievement (p<0.05, p=0.002). The average of the pretest was 50.69 and the posttest was 76.17. In addition, finding supporting details was the reading aspect that increased the most. Then, the process of the implementation of tableau startegy showed that the steps in tableau startegy could help the students to comprehend the reading material well. It means that tableau startegy is an appropriate method to help the students’ in comprehending narrative text