You can restrict who has the ability to change the visibility of projects in your organization, such as restricting members from changing a project from private to public.
You can limit the ability to change project visibility to just organization owners, or you can allow anyone with admin permissions on a project to change the visibility.
- In the top right corner of GitHub.com, click your profile photo, then click Your organizations.
- Next to the organization, click Settings.
- In the "Code, planning, and automation" section of the sidebar, click Projects.
- To allow members to adjust project visibility, select Allow members to change project visibilities for this organization.
- Click Save.