If you are serious about reducing the potential for violence in schools then ...
Make sure each student can answer, "yes" to these questions:
1. Do you know what is expected of you at school? 2. Do you have the materials you need to do your work at school? 3. At school do you have the opportunity to do what you are best at every day? 4. In the last seven days, have you received recognition or praise for doing good work? 5. Do your teachers seem to care about you? 6. Is there someone at school who encourages your learning and your development? 7. At school, does your opinion seem to count? 8. Does the mission of your school make you feel you are important? 9. Are your fellow students committed to doing good work at school? 10. Do you have a good friend at school? 11. In the last month has someone at school talked to you about your progress?
Do something about what the FBI has to say about threat assessment. (What types of behavior, personality traits, and circumstance in the family, school and community environment should be regarded as warning signs if all or most of them --in all four categories -- seem to fit a student who has made a threat? Pages 15-24)