Improving Students' Reading Comprehension by Using Peer Tutoring Strategy at Grade X.12 Of SMA N 2 Solok

The purpose of this research is to improve the students‘ reading comprehension by using Peer Tutoring Strategy at grade X.12 SMA N 2 Solok and to find out the factors that influence the changes of the students‘ reading comprehension by using Peer Tutoring Strategy. This research was the Classroom Action Research (CAR). The participants were the students at grade X.12 that consisted of 32 students. The instruments used to collect data in this research were task, test, observation sheet (field note), and interview which were used to see the development of students‘ reading comprehension by using Peer Tutoring Strategy. This research consisted of 15 meetings of 3 cycles. Each cycle applied plan, action, observation and reflection. The findings of this research showed that the students‘ reading comprehension at grade X.12 of SMA N 2 Solok improved by using Peer Tutoring Strategy. The improvement could be seen from the result of the students‘ reading comprehension at the first cycle was 68.75. It increased on the second cycle 75.78 and on the third cycle 78.98. The improvement was influenced by several factors such as material, media, classroom activities, classroom management, teacher approach, teacher‘s strategy, and reward.From the explanation above, it can be concluded that by applying Peer Tutoring Strategy, the students‘ reading comprehension could be improved. Hopefully, this research could be significant input for English teachers in teaching reading.