This is a free service that accepts calls and texts 24/7 and allows anyone to anonymously share information with school officials and law enforcement about threats to safety. 

988 Suicide & Crisis Lifeline
The 988 Suicide & Crisis Lifeline offers 24/7 access to trained counselors who can help people experiencing mental health-related distress. People in distress can call and text 988, or chat with someone on 988lifeline.org. People worried about a loved one who may need crisis support may also use these services.