How to make a Group Private.
Navigate to the My Profile tab at the top of your homepage. In the drop down menu click on My Groups. A new page will appear listing all of your Groups. Navigate to the group you want to make private and click Edit Group.
A new page will appear titled Edit Group. Click on the Group Settings Tab, and navigate to Who Can See This Group. Click the bubble next to Only Group Members.
Click the Save Changes button.
Now your group is only visible to you and your group members.
