/usr/share/debian-edu/menu/menus/is-enabled is in education-menus 1.713+deb7u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
# Allow it to be enabled using a local file setting
if [ -e /etc/debian-edu/config ] ; then
. /etc/debian-edu/config
if [ true = "$MENUREORDER" ] ; then
exit 0
fi
fi
# Enable it for all teachers and students if the groups exist
id -Gn | egrep -qw 'teachers|students'
|