The locker room can hold more lockers and students without feeling crowded. The lockers are far apart giving better movement for students. The shower is far back in the corner giving students more privacy.
What should I upload in this Develop Solutions step?
Consider uploading images (JPG, GIF) of your rough digital model. It's ok if your model is still a work in progress. Show an axonometric or perspective view with people, which will help others understand the scale of your library.