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.
To add a rubric, click the Add Rubric button.
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.