You can change your school by heading to the Class management page, at the top you will notice a tab that says My School.
If you click on that you will be taken to your school's information page . Click on Change School .
Then start typing the name of your new school into the box provided.
Once you have finished click Save
*Please keep in mind a lot of boards have schools with the same names so please make sure you are choosing the right school attached to your board!