/usr/share/debian-edu/students/ is in debian-edu-config 1.818+deb8u2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/debian-edu/students/share/
/usr/share/debian-edu/students/share/applications/
/usr/share/debian-edu/students/share/applications/kalzium.desktop
/usr/share/debian-edu/students/share/applications/kbruch.desktop
/usr/share/debian-edu/students/share/applications/klatin.desktop
/usr/share/debian-edu/students/share/applications/kmplot.desktop
/usr/share/debian-edu/students/share/applications/kpercentage.desktop
/usr/share/debian-edu/students/share/applications/kstars.desktop
/usr/share/debian-edu/students/share/applications/kturtle.desktop
/usr/share/debian-edu/students/share/applications/kvoctrain.desktop
/usr/share/debian-edu/students/share/applications/kwordquiz.desktop
/usr/share/debian-edu/students/share/applications/oocalc.desktop
/usr/share/debian-edu/students/share/applications/ooimpress.desktop
/usr/share/debian-edu/students/share/applications/oowriter.desktop
/usr/share/debian-edu/students/share/apps/
/usr/share/debian-edu/students/share/apps/kdesktop/
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/chguserpw.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/gcompris.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/gimp-2.2.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/kalzium.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/kgeography.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/kmplot.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/kstars.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/ooo-impress.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/ooo-writer.desktop
/usr/share/debian-edu/students/share/apps/kdesktop/Desktop/stopmotion.desktop
/usr/share/debian-edu/students/share/config/
/usr/share/debian-edu/students/share/config/kdeglobals
/usr/share/debian-edu/students/share/config/konqiconviewrc
/usr/share/debian-edu/students/share/config/menus/
/usr/share/debian-edu/students/share/config/menus/applications.menu
/usr/share/debian-edu/students/share/config/menus/kde-applications.menu
/usr/share/debian-edu/students/share/config/uiserverrc
/usr/share/debian-edu/students/share/services/
/usr/share/debian-edu/students/share/services/update_ksycoca