Environmental factors play important roles in children's mental development. Our research team is interested how parents' educational level can influence a child's development. The research team in Beijing Normal University designed and collected questionnaire aiming to find out associations between parents' educational level and children's characteristics including the likelihood of depression, ability of cooperation, mental resilience, optimistic ability, and self‐perception ability. The results show that both parents' educational level is highly associated with depression and cooperation of students, while only father's educational level is associated with mental resilience, optimism, and self‐perception of children.