Abstract:
This study aimed to investigate: what is the impact of the use of
bilingualism by teachers in the classroom on students’ speaking skills?. This study
was conducted using descriptive-qualitative because the researcherprovides an
explanation of a phenomenon. The researcher implemented interviews as her
instrument. The researcher carried out data analysis based on data obtained from
interviews with students that had been conducted. In the process of conducting
interviews, the researcher used a smartphone as a tool to record the interviews. The
result of the data recording was converted into written transcripts.The participants
in this study were 8 students in the eighth grade at one of the Islamic boarding
schools at the junior high school level.The results of this study show that the use
of bilingualism by an English teacher in their classroom has a good impact on their
English skills. Those benefits were that students could understand the material
explained by the teacher, especially in an English-speaking lesson; they could
easily understand new vocabulary; they could do the task; they would feel
comfortable and enjoy the class; they could have good pronunciation or read
something in English correctly; and they could ask and answer something during
the class.