To remove a Block from your School Form:
  1. Navigate to the correct ON persona (onBoard, onMessage, onCampus, onRecord).
  2. Go to Settings > School Forms.
  3. Click the Edit Form  button to the right of your form.
  4. To the right of the Header of the Block you want to remove, click Remove Block, or Block Settings.

Remove Block will remove the block from the form.

Block Settings will allow you to then click Delete in the lower left corner:


User-added image