PowerSchool has the ability for admin users to create custom pages with custom fields (or built in fields)
To manage these, go to: Start Page > System Administrator > Custom Fields / Screens
You can then add a custom field to PowerSchool by clicking on the custom fields link and clicking on new
You can then go to the custom screens and Create a new custom screen and then click on the "edit fields" link
Select the parameters for each field that you add to a custom screen
The custom screens will display under the "Custom Screens" link under the student's information.