Re cost of public schools, hundreds of millions of dollars are spent annually in Los Angeles County alone for education of children of immigrants. Their parents' taxes don't come close to covering those costs, let alone the other costs of EITC, SNAP, Medicaid, etc. FAIR estimates it costs $3.34 billion in Florida, $8.5 billion in Texas, $14.4 billion in California...the list goes on
See http://losangeles.cbslocal.com/2013/09/16/undocumented-la-county-parents-projected-to-receive-650m-in-welfare-benefits/#at_pco=cfd-1.0