Student's perception of school bullying and its impact on academic performance: A longitudinal look.

Introduction: Bullying among peers has immediate and long-term consequences, as it affects children's health-related quality of life. The aim was to examine the association between the frequency, type and dynamics of children's involvement in bullying situations and their academic performance over the school year.

Methods: Longitudinal study conducted in 2015 in 9 to 12 year-olds in schools of Bahía Blanca, Argentina.