How do I manage rubrics in a course?
As an instructor, you can create, edit, and delete rubrics in your course. Rubrics are used as grading criteria for students and can be added to assignments, quizzes, and graded discussions.
- Rubrics cannot be edited once they have been added to more than one assignment.
- When you delete a rubric, Canvas will remove the rubric from all associated assignments in the course and remove any existing scores and assessments given using the rubric.
In Course Navigation, click the Rubrics link.
In the Manage Rubrics page, you can view all existing rubrics in your course.
To add a rubric, click the Add Rubric button.
To view an individual rubric, click the name of the rubric.
To edit the rubric, click the Edit Rubric button.
If a rubric has been used in more than one assignment, the Edit Rubric button is not available.
However, you can create a copy of a rubric and make any changes when adding a rubric to an assignment.
Edit Rubric Details
To rename a rubric, type in the Title field .
To edit a rubric criterion description or long description, click the criterion Edit icon . You can also edit criterion ratings , add ratings , and edit points .
To delete a criterion from the rubric, click the criterion Delete icon .
You can also add new criterion  and outcomes .
To save your edits, click the Update Rubric button 
To remove associated outcome criteria from a rubric, click the Delete icon . Outcome criteria can only be edited from the Outcomes page.
If you created a rubric in your course, you can delete the rubric. To delete a rubric, click the Delete Rubric button.
Rubrics can be deleted even if they have been used in more than one assignment.
Note: If you cannot delete a rubric, the rubric was created at the account level and aligned with an assignment in your course.
Click the OK button.
When you delete a rubric, Canvas will remove the rubric from all associated assignments in the course and remove any existing scores and assessments given using the rubric.