Based on the researcher’s observation, seven students in grade XI IPA1 Sekolah Palembang Harapan are not able to orally deliver their ideas in English class. One of the reasons is because the students are not getting enough exposure to speak in English during the class. Therefore, the researcher decided to apply Round Robin Technique with peer feedback to overcome the problem. The aim of this research is to improve grade XI IPA1 students’ speaking skill in Sekolah Palembang Harapan through the implementation of Round Robin Technique with peer feedback. The research is a Classroom Action Research (CAR), done in Sekolah Palembang Harapan, Palembang. The model of this CAR is Pelton’s Model. The research was conducted in July – October 2018 through three implementations. The subject of the research is seven students who are not able to orally deliver their ideas in English class. The instruments used are mentor feedback, students’ questionnaire, speaking rubric, mentor observation sheet, and mentor checklist. The success of this CAR is fulfilled when the research subjects can improve their speaking skill. Based on the result, the seven subjects of the research show that by applying Round Robin Technique with peer feedback, their speaking skill is improved. There are some aspects should be considered in implementing Round Robin Technique with peer feedback such as the setting of the group, roles of each group member, time given, and the explanation of the materials.