Most schools require teachers and staffers to go through a rigorous training program before they may carry a concealed weapon in the classroom. But how do these training programs actually work—and what type of qualifications do they entail?

The Daily Signal traveled to outside Denver, Colorado, to learn about “FASTER Saves Lives,” a nonprofit that teaches teachers and administrators to take the offensive against active shooters, as well as how to do medical triage and have the appropriate mindset. We spoke with firearms instructors and with a charter school founder who participated in the program as part of robust research on school safety. Watch the video above.