It's true that tax - credit scholarships reduce state revenue, but they also reduce state expenditures on K - 12 education. (educationnext.org)
This is often based on the average per pupil state expenditure for public school and is used to pay for all or part of private school tuition. (raiseyourhandtexas.org)
Between 2005 and 2015, total state expenditures grew to $ 82 billion from $ 55 billion, an addition $ 27 billion in spending. (illinoispolicy.org)