Nearly 70% of school crises are over in under 5 minutes, yet the average law enforcement response time can range from 8 to 15 minutes. This leaves a critical gap where schools are on their own.

After-action reports reveal that it’s not just one failure that delays response, but a series of small breakdowns like delayed communication, unclear roles, and disconnected systems. Federal investigators studying the 2022 Robb Elementary tragedy had a name for it: “cascading failures.”

Most schools already have safety tools in place, but they don’t always work together when it matters most. This is where preparation and system design make all the difference.

Explore this guide to see what really happens in the first 90 seconds of a school crisis—and what has to go right.

This guide walks school leaders through the breakdowns uncovered in real investigations and what a connected safety system makes possible.