This research aims to describe code switching in classroom communication from the perspective of academic function. In this study, the researcher used the qualitative descriptive research that involved two teachers as research subjects at the MAN 1 Praya, Central Lombok. The technique applied in this research is an observation technique accompanied by a recording technique. At the data analysis stage, the method used in this research is a qualitative descriptive method. The informal presentation model is explained directly in each analysis. The result of the research showed that the code switching owned twelve functions based on conveying English lesson materials. With reference to such functions, code switching in English language learning can be made as far as it satisfies the functions. As the students’ English mastery improves, the use of code switching needs to be reduced.
Keywords: Code Switching, Implementation, academic function
