South Australian Consolidated Regulations South Australian Consolidated Regulations7E—Power to restrain, remove or refuse entry
An authorised person may, if necessary, use reasonable force—
(a) to
restrain on school premises or premises used in connection with a school any
person who, in the opinion of the authorised person, is posing an immediate
threat to the safety of another person, so as to prevent the person from
causing harm to that other person; or
(b) to
remove from school premises or premises used in connection with a school any
person who, in the opinion of the authorised person, is posing an immediate
threat to the safety of another person on the premises; or
(c) to
remove from premises, or prevent the entry to premises of, any person who has
been requested to leave the premises under this Part during the previous 24
hours or who is barred from the premises under a prohibition notice.