Implementing a mental health program for students

It is possible that implementing a mental health program for students ages 11-17 in Florida high schools could reduce the incidence of shootings in schools? Can adolescent mental health programs reduce violence? Is there a relationship between violent behaviors and the mental health of high school students? Can the implementation of a mental intervention in students from 11 to 17 years reduce the events of shootings in school? Can school shootings reduce after implementing a mental health intervention in a student from 11 to 17 years old?