Expressions of school violence in adolescence.

Background: Research on school violence, which disserves the quality of the process of teaching and learning in schools, has increased in recent decades. The aims of this study were to identify the most prevalent types of school violence in Compulsory Secondary Education (CSE) according to the opinion of students, and to analyse differences in gender, school year, and the academic performance of the student informants.

Method: The CUVE3-CSE questionnaire was applied to 4,943 CSE students (average age: 14.