A locker room is a room where people change clothes and store their belongings in individual compartments called lockers. Schools have locker rooms next to their gyms and playing fields so students can change into athletic clothes for sports and physical education. Swimming pools, sports arenas, and fitness centers also have locker rooms where athletes and visitors can change and shower.

Each locker is like a small metal closet with a door that locks, giving you a private space to keep your gym bag, regular clothes, and valuables safe while you exercise or compete. You might spin a combination lock or use a key to secure your locker. Some locker rooms include benches for sitting while you change shoes, plus showers and sinks for cleaning up after practice or games.