I would like to create a group but don't want everyone to know who is in the group, and see our messages.
You can do this by making the group Private. Private groups are only visible to the group owner and its members. This allows groups to exchange information that may be more personal in nature and not intended for others. Though currently only the members of your groups receive the email notifications and messages, other ClassroomParent users can view the groups.
To make an existing group private for which you are the owner,
1. select the group from the groups page,
2. click the Edit button,
3. check the Private checkbox,
4. and click to save the group.
It will continue to show up in your list of groups and the groups list for members of the group, but will not appear to others.