Education Minister Jennifer Rankine said her department acted promptly to notify parents of the latest arrest of a school worker on sex charges in South Australia.
The school support officer from an Adelaide northern suburbs school was arrested a week ago.
Ms Rankine said police asked the Education Department not to publicise the arrest immediately, but gave the all clear last Friday.
She said letters were sent to parents on Tuesday.
"This person has worked, as I understand it, across two schools," she said.
"We've notified the parents in those two schools and there'll be counselling available to anyone that needs it."
Premier Jay Weatherill said swift action was taken to ensure the accused did not have any contact with children.
"The police provided advice and we provided speedy notification to the parents," he said.
"The important thing that parents should be aware of is as soon as we became aware of any concerns about this individual they were removed from any contact with children."
There have been nine sexually-related cases publicised since last October.
Opposition education spokesman David Pisoni claims the Government would have maintained a 'culture of cover-up' had the Liberals not revealed the issue.
"It would concern me if what we're seeing is no different to what was happening two, three, four years ago because it means that this Government hasn't been acting and refused to act until it was brought out into the public arena," he said.
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