What is Child support supposed to go towards? My ss is about to be in Kindergarten and all of a sudden bm tells us that we need to purchase half of the school supplies?!!? I am seriously shocked at this... isn't that what the huge lump sum that we give her for child support every month is supposed to go towards. I know it sounds kind of petty- but I have two other children that we have to provide for also and it gets old when she continually says my dh owes her for half of whatever... UGH!