Liberals education spokesman Jeremy Hanson called on the government to implement the remaining nine recommendations handed down by a parliamentary committee last year to tackle violence in schools.

"This is not a new issue and was initially raised two years ago following a significant increase of violent incidents in our schools and yet there has been no real progress," Mr Hanson said.

"It is clear the government is not taking this matter seriously and it is now time for all recommendations to be implemented to keep our teachers and students safe."

Calls to address issues of offensive behaviour in schools were renewed following a new survey of principals, which found the ACT cohort faced the highest levels of violence nationwide.

Education Minister Yvette Berry said that number was a reflection of a strong reporting culture.

Mr Hanson said, "Our teachers and students deserve much better and I don't know what it will take for the government to finally address these very serious concerns."

The survey by the Australian Catholic University and Deakin University found more than half of principals reported being a victim of physical violence by parents or students.

A parliamentary committee handed down 22 recommendations to address violence and bullying in school in 2019. Nine are yet to be completed.

Ms Berry said progress was being made and more work with schools and parents was required.

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Among the unfinished recommendations are increased support for principals to ensure consistency in reporting bullying and violence.

Self-reporting services for students and parents were also recommended with the creation of an online system still under way.

The committee also called for social emotional learning programs to be implemented to address childhood trauma, behaviour management and violence and sensory space to be made available to all students with complex needs.

Psychologists should also be available to students outside school hours, according to the recommendation.

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