S4S is a non-profit committed to improving the safety, security and wellbeing of students everywhere. S4S is a non-profit committed to improving the safety, security and wellbeing of students everywhere. We are a non-profit creating the model for the Safest School in America. We provide advanced training and tools to ensure students have a safe educational experience. Our software integrates site sensor data with human input enabling effective management of emergencies in real-time, protecting students, faculty and staff.