Child abuse, along with any other human transgressions happen in any one group of people. Look/ask/investigate around. Sounds callous, I know, but it is the truth. No organization can control that.
They just need to change the authorities notification policy. The two witness policy is no longer, so there is some improvement in the case of accusations of physical/sexual abuse.
Also parents need to take better care of their young. Yes, parents.
SL