This article explores social class in English-language education in Oaxaca, Mexico. To this end, first, we discuss social class in Mexico as related to coloniality; second, for illustration, the paper presents the authors' own social-class analysis as language educators in Oaxaca; third, we discuss how social class impacts English education access, Mexican teachers of English, and the curriculum; and finally, we offer conclusions related to the prevalence of coloniality in Oaxaca and the consequential need to engage critically with social class and its connection to English teaching.