Abstract Describes the frequency of aggression and victimization among schoolchildren according to family functioning. Quantitative, descriptive exploratory conducted at two public schools in São Luís – MA. The study population comprised 3,682 schoolchildren and 1,035 participants were defined using a sample calculation in single-stage cluster sampling. To collect data we used the Family APGAR and Scale Peer Victimization and Aggression held from February to June 2011. 73% of the families of the students were defined as functional, dysfunctional 25% and […]