The article focuses on engagement of young people in online risk behaviours. Such engagement is analyzed from the perspective of two main socialization environments – school and a family. The overview of existing research data confi rms the importance of those environments as factors infl uencing involvement in various online risk behaviours through two mechanisms: general quality of schools and families (relations with adults, confl icts, etc.) and specifi c measures in the fi eld of media education. The article presents conclusions on general directions in media education conducted in schools and families.