The research aims at explaining the teacher’s strategies and classroom management techniques applied in teaching English to mental retardation students at SMP Inklusi TPA Jember. This is a descriptive qualitative research. The subject of the research was an English teacher at SMP Inklusi TPA Jember. The data were collected through a non-participant observation and interview. The data were analyzed through identification, classification, data reduction, and description. The findings were: 1) the teacherused three kinds of strategies, i.e. imitation and modeling strategy, demonstration strategy, and active strategy with imitation and modeling strategy as the most used; 2) from 7 classroom management techniques listed by Sarosdy, Bencze, Poor and Vadnay (2016), there were only 5 techniques applied by the teacher including showing respect for students, showing professionalism, applying class techniques, applying positive attitude of teacher’s role and knowing the students. Keywords: Mental Retardation, Teachers Strategies, Classroom Management, Teaching Disable