Reading is one activity to get information from what they already read. Therefore, reading is very important for the students because by reading they can build critical thinking about something that happened around. Based on the preliminary research, the results showed many problems in reading comprehension, one of the problem was the students felt bored in reading text. To solve this problem, the researcher applied Two Stay Two Stray strategy. Two Stay Two Stray strategy is kind of strategy that gives chance to each student in group to share the result and information with others. The objective of this research was to know whether there was an effect of Two Stay Two Stray strategy towards Students’ Reading Comprehension or not. The method of the research was quasi experimental design with the treatment held in three meetings, 2x45 minutes in each meetings. The sample of the research was two classes, class XI IS1 as the experimental class and class XI IA as the control class. Both of them consisted of 32 students. In collecting the data, the researcher used pre-test and post-test. The researcher used the test instrument in the form of multiple choice. The test consisted of 40 items before validity test. After the validity test, the instrument test for pretest consisted of 20 items and posttest consisted of 20 items. To analyzed the data, the researcher used Independent Sample T-Test. From the data analysis, it was found that the result of Independent Sample T-Test was 0.001. It means Ho is rejected and Ha is accepted. It can be concluded that there is a significant effect of using Two Stay Two Stray strategy towards students’ reading comprehension achievement.
