Data from the national kid's helpline reveals respect in relationships was the most sought after topic among children last year.
Respectful relationships national educator Kristy Styles said young people want to draw the line between respectful and disrespectful relationships.
"We have amazing people on the ground that are trying to teach these topics but are not getting the support needed because it's discretionary," she said.
Ms Styles said federal and state governments need to make consent education mandatory in primary schools.