Many ndividual states, like Oregon, have amendments in their constitutions which prohibit the use of public funds for religious schools.
"Efforts to repeal Blaine amendments in other states have failed as well. Most recently, voters in California and Michigan in 2000 rejected ballot referenda that would have repealed Blaine language and established voucher plans in the states. The vote in California was 70 percent against and 30 percent for, and in Michigan it was 69 percent against and 31 percent for."
https://www.au.org/church-state/september-2002-church-state/featured/the-blaine-game
"The state Blaine amendments remain in effect in many states.[5][6] In 2012, 46% of voters endorsed a measure repealing Florida's Blaine Amendment. A 60% margin was required for adoption.[7] Voters have also rejected proposals to repeal their state-level Blaine amendments in New York (1967), Michigan (1970), Oregon (1972), Washington state (1975), Alaska (1976), and Massachusetts (1986).[8]"
Wikipedia