Children with disability are being excluded, bullied and restrained at school, a new survey has found, amid calls for national action to combat "ableism" in Australia's education system.

Children and Young People with Disability Australia surveyed more than 500 children with disability and their parents, ahead of a landmark royal commission hearing on disability abuse and neglect in schools next week.

The survey found 48 per cent of children with disability had been bullied in the past year and 30 per cent had been restrained or put in solitary confinement at school. It also found about 12 per cent of children surveyed had been refused enrolment and 40 per cent had been excluded from school events, such as camps, excursions or sports.

A new survey has found children with disability are excluded from school camps, excursions and sports. Credit:Rodger Cummins

CYDA chief executive Mary Sayers described the situation as a "national shame" and called for a national strategy to ensure children with disability were properly included in the mainstream system.