As a Chief Editor you can edit the custom pages of an individual student.
1. Log in and select Editor Tools.
2. Select People and Students & Parents.
3. Find the student in the list and in the Actions column select the gear icon. Select View Pages.
4. Click on the pages to edit.
You can disable student custom pages on this screen. If you know that the parent does not want to create custom pages you can disable the pages by moving the button to I don't want Custom Pages.