A teacher accused of inappropriate behaviour towards a student sparked the first investigation by the ombudsman into the territory's reportable conduct scheme.
As University of Canberra staff prepared to strike for the first time in more than a decade, things hit a snag.
WorkSafe has now taken action against the ACT government for failing to protect teachers from violence.
A pregnant support worker was punched repeatedly in the stomach by a student, a teacher was hospitalised and another was left in harm's way for months.
Under quarantine in a laboratory at the Australian National University lies a graveyard of extinct animals.