For purposes of this Act:
"School of origin" means the school that a child attended when he or she was permanently housed or the school in which a child was last enrolled.
"Homeless family" means a family that lacks a fixed, regular, and adequate nighttime residence or a family that has a primary nighttime residence that is any of the following:
"Referring agency" means any public or private entity that receives federal or State funds for the purpose of arranging, referring or facilitating the placement of homeless families with school age children in shelter facilities.
"School age child" means a child between the ages of 2 and 22.
310 ILCS 85/10