This research was aimed at improving students‟ writing ability through write pair
share technique. The research was conducted at SMK Muhammadiyah 1 Purwokerto in the
academic year of 2014/2015. The methodology of the research was classroom action research
(CAR). The subject of the research was X AK 1 class consisting of 28 students. There were
two cycles in this research consisting of two actions in each cycles. Each cycles consisted of
planning, acting, observing, and reflecting. The data was collected from observation,
questionnaire, and test. The result of the research showed that write pair share technique was
be able to improve students‟ writing ability. It could be concluded from the average of
students score in pre-test was 60.57. Then, the mean of post-test 1 was 67.26. While in posttest
2 was 76.28. So, the improvement from post-test 1 to post-test 2 was 25.94%. Then, the
observation result showed that 37% of students were active in cycle 1, and it increase become
55.03% in the cycle 2. Furthermore, this research showed that the most of students enjoyed
the teaching and learning process with write pair share technique. It was supported by
quantitative data which showed 81.81% of students chose who yes column in questionnaire.