Sexism includes language that is indicated to discriminate against one of the genders, with the presentation of one of the genders being superior or unequal. The discussion of the representation of males and females in the educational system was an interesting topic to analyze. Especially, the analysis of sexism in English textbooks. Sexism arises when one gender is treated unjustly in comparison to the other. Moreover, Sexism is most commonly used against women and girls in society. Concern with sustaining patriarchy, or male dominance, through the ideological (Masequesmay, 2022). Thus, the study implements Fairclough's (2013) three-dimensional discourse approach: description, interpretation, and explanation for textbook analysis. The study revealed that the frequency of males and females was based on text and pictures. The male is more dominant than the female. Furthermore, males and females in this textbook were portrayed as having the power to do outdoor activities. As well, the female is not only portrayed as the housewife or taking care of the baby. Otherwise, the representation of males and females as inspiring persons was variation sometimes comes to an unfamiliar person. Males were superior to females according to the frequency in three English textbooks “English in Mind”. However, the study will educate to students be aware of sexism issues in real life, and also students have a perception that being stronger or more capable in some activity does not only refer to gender but it refers to ability depending on male or female.