To uninstall education-geography just follow these instructions.
sudo apt-get remove education-geography
This will remove just the education-geography package itself.
sudo apt-get remove --auto-remove education-geography
This will remove the education-geography package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for education-geography then this will work.
sudo apt-get purge education-geography
Or similarly, like this education-geography
sudo apt-get purge --auto-remove education-geography
|Maintainer||Debian Edu Developers <firstname.lastname@example.org>|
|Description||Debian Edu applications for geography|