The Children's Commissioner wants Oranga Tamariki to make public how it deals with staff found to have abused children in their care.
Official figures - contained in the Ministry for Children's own publicly released reports - show there have been 40 instances in two-and-a-half years, where staff have physically harmed children.
Andrew Becroft says those reports, and the monitoring undertaken by his office, means Oranga Tamariki should be well aware of the problem.
