If you want to protect the privacy of your group members’ posts, discussions, photos, or files, you can create a closed group on Facebook. This can be done when creating a new group or by changing the privacy settings of an existing group. Here are the steps to create a closed group on Facebook:

1. Log into your Facebook account and go to the home page.
2. Click on the ‘Groups’ tab on the left sidebar and select ‘Create Group’.
3. Name your group, add members, and choose the privacy setting as ‘Closed’.
4. Personalize your group by adding a description, cover photo, and tags.
5. Choose the group’s settings, such as posting permissions and membership approval.
6. Share content and start conversations within the group.
7. Manage the group by moderating posts, removing members, and adjusting settings.
8. Enjoy a private and secure space for your community to interact.

By following these steps, you can create a closed Facebook group for a particular school, class, location, or other community. This will ensure that only approved members can access and contribute to the group’s content.