I know that not all of us may be teaching in a science classroom but there is a great, free pdf from the National Science Teachers Association in the link below. Even if you do not end up in science, you may need to work more science into the curriculum later on. It talks about setting up and organizing the classroom. It also goes through things like identifying a good place to work, ways to label your files, help with supply kits, and questions you may need to ask when you start at a new school. A great number of these tips are applicable to any job. Take a peek! You may find there is some interesting information!