Initiated when the hallways need to be kept clear due to a situation. Students and staff are instructed to clear the halls and remain securely in a classroom or area until the situation is resolved. For example, a medical emergency in the hallway allowing first responders with clear access to support the situation.

Building locked, and students and activities brought inside as a precaution due to activity in the area, not in the school or on school grounds. Learning continues inside the building with minimal interruption or distractions. For example, law enforcement activity near the school or a dangerous animal outside.

Perceived danger inside or very near the building. All students and staff are trained to get behind a locked door - Locks, Lights, Out of Sight. In the rare event that a student cannot get behind a locked door, they are trained in self-evacuation protocols. For example, a threat inside the school.

Students and staff are moved to a new or safe location due to a situation in or near the school building. For example, a gas leak in the school.

Students and staff take shelter due to a situation in or near the school. For example, a tornado warning.