Despite decades of efforts, deficit narratives regarding language development and use by children and students from historically marginalized backgrounds remain persistent in the United States. Examining selective literature, we discuss the ideologies that undergird two deficit narratives: the notion that some children have a “word gap” when compared to their White middle-class peers, and students must develop “academic language” to engage in rigorous content learning. The “word gap” concept came from a study wherein a group of young children in low-income families heard fewer words than those in middle-class families. It assumes that language can only be acquired in one way—vocabulary exchange from one parent to one child—and ignores decad...