US Patent 11463662 School security assembly

A school security assembly for preserving security of a public building includes a drop box that is positionable adjacent to an entrance of a public building for receiving an object to be delivered to a recipient inside the public building. A communication unit is positioned adjacent to the drop box and the communication unit is in communication with the person when the person approaches the drop box. The communication unit is in communication with a surveillance station in the public building to facilitate the person to communicate with an authorized representative in the public building.