Teachers’ understanding of the discussion strategy affects the students’ achievement in learning process. This paper reports the teaching practices that conducted by the public schools Islam teachers in discussion strategy at some state junior high schools in Deli Serdang Regency of North Sumatra. Research shows that the implementation of the discussion learning strategy runs in the public schools. The average value was obtained by 30 teachers (60%), quite good average was for 18 teachers (36%) and a relatively poor average is only 2 teachers (4%). It concludes that most of the teachers in Islam public schools in junior high level of Deli Serdang Regency understand the discussion strategy and apply it in teaching practices.
Keywords: Islam teachers, public schools, understanding of discussion strategy