I sure do appreciate what you are doing. I became aware of the travesties of child services on The School Sucks Podcast. The host, Brett Veinotte and Carlos Morales talk about CPS. If you haven't heard of them, you might want to check it out to see if there is anything useful in there or maybe connect with them.
Specifically, this podcast
There is a series of podcasts they did pertaining to this subject: http://schoolsucksproject.com/?s=child%20services