Log into Blackboard Learn as an administrator

Enter an Ultra course

Click On the Gradebook tab > Settings > manage Grade Schemas

Click Add, set a name e.g. 8 letter and click Add and add 8 grade ranges like A+, A-, A , B+, B, B-, etc; Save and close

Add Content > Create > Assignment

Click on Points under Grading and set it to 8 Letter

Save the assignment

Click On the Gradebook tab

Click on the assignment

Set grades with 5 top scores and 5 bottom scores, and maybe a couple in the middle

Click On Student Activity Tab