Background: Aggression is a global challenge and a leading cause of death and disability
worldwide. Several studies indicate that the reasons for aggressive behavior during adolescence
are multifactorial. The existing study aimed to investigate the predictors of aggression among
adolescent boys in secondary school students in Zagazig City. Subjects and Methods: A
descriptive cross sectional research design was used to fulfill the aim of the present study. A
sample of 280 male students contributed to the current study, through a predesigned questionnaire
form composed of three parts, socio demographic characteristics, GRAD scale and Aggression
Questionnaire. Results: Study results revealed that aggressive behavior is prevalent among
slightly more than one third (34%) of the students, where hostility occupied the top level (48.6%)
followed by verbal aggression, anger, and physical aggression (43.6%, 36.4% & 27.5%)
respectively. Multiple regression analysis highlighted that the most significant factors affecting
the risk of aggression among adolescents were the family risk, school climate, peer relations and
mass media. Recommendations: Study recommended that Counseling being aims at helping
students resolve their numerous problems or concerns to change their undesirable behaviors.