The Illinois tax credit differs from Pennsylvania’s EITC, in that it allows parents to take a tax credit for educational expenditures (tuition, books, et. al) for children in grades K-12. (For more details on this program, and others across the country, see The ABCs of School Choice, produced by the Friedman Foundation.
An individual tax credit would be one avenue to reduce property taxes in Pennsylvania, a variation on our model Property Tax Relief Scholarship Act. For how school choice saves PA taxpayers, read The Dollars and Sense of School Choice.