The Leadership Program’s Violence Prevention Project – This is a school-based prevention program for students between the ages of 12 and 16, which is designed to increase peer support, improve conflict-resolution skills, and decrease acceptance attitudes toward aggression and violence. The program is rated Promising. Treatment group students reported a statistically significantly lower likelihood of using negative conflict-resolution skills (e.g., verbal or physical aggression), compared with comparison group students, at the posttest.