I stepped out of the car, gravel crunching beneath my feet. I opened the trunk, retrieved my box, and stepped back. Looking at my mother’s face, I restrained the urge to cry. I waved goodbye to her and saw that she, too, was fighting back tears. She faced forward and drove away without sparing a glance in my direction. Turning around, I came face-to-face with the large building that would serve as my home for the next year. I looked around, taking note of the crumbling structure and broken windows. I pushed open the skeletal remains of the entrance’s oak door.
I only changed the first sentence since it was kind of run-on. Very well written! Good job!