CSR is a reading comprehension strategy which engages students of various reading and achievement levels work in small group cooperatively in applying the four reading strategies which include Preview, Click & Clunk, Get the Gist and Wrap Up to facilitate reading comprehension for students with reading, learning, and behavior problems included in general education classrooms. This strategy can be done in a group that is contains a leader, clunk expert, gist expert and announcer. The objectives of the study are to find out the the implementation of teaching reading comprehension to the students and the students’ difficulties toward CSR strategy in learning reading comprehension. In this study, the researcher used descriptive qualitative design to obtain the comprehension by using collaborative strategic reading. The data were obtained from several sources including, the researcher herself, field note and a set of questionnaire. The subject was X-MIPA 1 students and the teacher indeed of Senopati Senior High School Sidoarjo in academic year 2017/2018, which consisted of 26 students. The findings showed that the CSR strategy was useful for the students to help them comprehending the narrative text, because the students were more active, the answer duty in worksheet of the group and answer in questionnaire were very good and there was progress in learning, so CSR strategy was not only useful for understanding the text but also helpful for the students to be more active in the classroom especially in their group. The practical of CSR strategy had been done well in all of its steps without any obstacles from questionnaire, the researcher found that there were two kinds of difficulties faced by the students. First, they could not find the meaning of certain words because they could not consult the dictionary. Second, they could not arrange good sentences because of lack of tenses mastery. The researcher concludes that the teacher should use many varied strategies to teach reading comprehension, so it can make the students enjoy, active, and interactive in learning process.