This school district has its own police force, and that police force has an anonymous tips program for rewards.
WE TIP
If you have any information regarding the person(s) involved in a crime against your school, you are encouraged to call WeTip immediately at either of the numbers listed below. You may be eligible for a reward if your information leads to an arrest and conviction. No one will know who made the call!
Witness Anonymous Toll free nationwide 24 hours
(800) 732-7463 or (800) 78-CRIME
They also have this:
SAW Hotline
Students Against Weapons Hotline
388-6043
Witnesses will stay anonymous.