The reason Financial Aid is not being shown to be added for a future School year is because the Future School Year is not published. To publish the School Year navigate to:
  1. Core > School >Years & Terms
  2. In the School Years drop down choose the year you would like to publish
  3. Click Edit to the right of this
  4. Choose Yes for Publish
  5. Save & Close
  6. Go back into the Candidates Record in onBoard > People Finder, and select the Financial Aid for the Future School Year.