We studied the effect of the number and characteristics of siblings (sex, age) on school achievement in several grades (kindergarten, first grade, and fifth grade), in two large French cohorts, with more than 16,000 children. Running linear mixed-effects models, we find that, independently of socioeconomic status, having more siblings is…

A healthy family climate, including parents' attitudes towards their children and the quality of sibling relationships, is essential for child resilience. One of the domains where parental attitudes are determinative is the children's academic life. In an unhealthy family climate, for instance, parental pressure for academic success may cause…

Family interviews were conducted with 28 7-12-year-old children who had experienced various forms of bullying and relational aggression by their peers, as well as with their parent and with an older sibling. Interviews explored possible supportive strategies of older siblings, parents, and teachers. All bullied children reported negative feelings…