1. Log into Faculty Access for the Web as the teacher. 
  2. On the Home page, select the school, academic year, and session for which to post grades.
  3. On the navigation bar, click Gradebook.
  4. Select the appropriate Class.
  5. Select the appropriate marking column.
  6. Click Posting Status above the Gradebook grades grid to open the Posting Status screen.
  7. On the Posting Status screen, mark the Ready radio button.
  8. Click Ok.

For more information, refer to:

How to change the posting status from not ready to ready for multiple marking columns

How to change the posting status for marking columns when logged in as Supervisor