Аңдатпа
Lesson study approach is widely used in various countries to develop teachers’ pedagogical and instructional knowledge. The purpose of this study is to explore how Kazakhstani EFL teachers perceive the effectiveness of Lesson Study implemented through an interdisciplinary approach. Five EFL teachers from a secondary rural school who were the members of the interdisciplinary group of the Lesson Study participated in semi-structured interviews. The respondents indicated that the Lesson Study through the interdisciplinary approach had significantly improved their pedagogical and instructional knowledge. However, they also indicated that they experienced some challenges in the process, such as time consumption, observation of case students, and support from the administration of school.