The Secretary, acting through the Director of the Center for Mental Health Services, shall make grants to public entities for the purpose of providing comprehensive community mental health services to children with a serious emotional disturbance, which may include efforts to identify and serve children at risk.

For purposes of this part, the term “public entity” means any State, any political subdivision of a State, and any Indian tribe or tribal organization (as defined in section 5304(b) and section 5304(c) ^[1] of title 25).