This study aims to describe the experiential, relational, and expressive value seen from the selection of the text structure, grammar, and vocabulary of the teachers’ language in the learning interaction in class. It employs a qualitative approach through critical discourse analysis using the Fairclough model. The data were collected through observations of learning at SMK Muhammadiyah Bulukumba, and analyzed through the flow model of Miles and Huberman. This research founded that (1) the text structure is dominated by teachers with control participants, (2) the experiential value is founded in the selection of expressive grammar, (3) and experiential value is founded to include words, adjective, verbs, and informal vocabulary.
Keywords: critical discourse analysis, learning interaction, teachers’ language