At the bottom of the page you have a choice to select which type of school you want to form. If it is private you can either add a domain such as lawline.com or copy as many email addresses as you see fit.
In addition to your school title, you can upload a logo, banner, and icon to your school. When you first create your school the option is to upload your logo which also becomes your icon. On the next step you can upload your banner and change your ic