Overview
- Police-contact cases for violence climbed sharply since 2013, rising 114% among 6–13 year-olds and 21.6% among 14–15 year-olds.
- Incidents surged disproportionately among children born abroad, with overall migrant cases up 628% and violent offenses among seventh-graders born abroad up 2,325%.
- Girls feature more often as suspected perpetrators under 14, increasing 150% compared with a 104% rise among boys.
- Assaults on teachers among ninth-graders grew markedly, up 53% for boys and 90% for girls.
- Student surveys show worsening mental health—about one in three girls under 14 and nearly half in ninth grade report anxiety or depression—alongside a drop in confidence that teachers intervene from 68% to 39%.