“…Yet, even in classrooms, children might be treated differently based on their SES. Three studies in our collection—Renoux et al 12 , Schoneveld and Brummelman 13 , and Sierksma 14 —address this possibility. They demonstrate that children from low-SES backgrounds may face unequal treatment in the classroom, often at the hands of well-intentioned teachers or peers, with serious repercussions.…”