This video shows you how to release grades to students in WebCT/Blackboard CE 4.x. These are the text instructions, taken from the help page:
1. From the Control Panel, click Manage Course, and then click Manage Students. The Manage Students screen appears.
2. Under Actions, from the Organize drop-down list, select Manage columns and click Go. The Columns screen appears.
3. Select the check box at the top of each column that you want to release to students.
4. Under Options, from the Release columns drop-down list, select Yes, and click Go. The Columns screen appears.