To get the data on a per department basis:

1. onRecord > lists > Report card grades
2. Select choose columns, and add any additional fields you would like to see in the list.
3. Hit apply changes
4. Select Filters
5 Click on +Select Course departments
6.  Select the departments you want to view.
7. If you want specific grade levels Select and expand student
8. Click on + Select student Grade Level
9. Select the grade levels you would like to view
10. Select Save