The hallways felt different now that everyone had gone home. Empty. Echoey. My sneakers squeaked against the polished floor, the sound bouncing off the lockers. The setting sun poured through the high windows, stretching long shadows across the hall, making it look strange, almost like a different building.

My bag felt heavy on my shoulder. My palms were sweaty against the strap as I clutched it tighter. My heart pounded so loud I was sure anyone nearby could hear it. Each step I took toward ...