When you register with EnglishCentral you will be asked to enter the name of your school. Enter the name of the school and it will be created automatically for you. Access your school(s) on the TEACH page. You can always create another school and delete this one later, so don't fret over the name. Create additional schools by selecting the + Add icon.
If you are a new teacher, you will be directed to add additional information and then to the Teacher Tools page. You'll see