The Positive Proof Blog
Field-Tested Security Insights

Wireless door monitoring sensors detect propped or unsecured exterior doors, alerting staff in real time to protect K-12 campus entry points. Why Propped Doors Are the #1 Controllable Security Gap in Schools   Eighty percent of school shootings involve entry or activity at exterior doors. Despite this, propped doors remain the most common — and most preventable — security vulnerability on K-12 campuses. Staff prop doors for deliveries, fresh air, or convenience. Visitors wedg

Federal and state grant programs fund visitor management, panic alerts, and door monitoring systems for K-12 schools after ESSR expiration. School districts across the country relied on ESSER funding to upgrade safety infrastructure from 2020 through 2024. That money is gone.   All three ESSER packages — totaling $189.5 billion — hit their final liquidation deadlines by January 2025. Districts that used ESSER for visitor management systems, access control, or emergency alert