https://www.k12dive.com/news/three-states-universal-school-vouchers/641909/
2 more states approve universal school voucher programs | K-12 Dive
Iowa and Utah are the most recent to enact universal education savings account programs that expand eligibility to all K-12 students.
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https://www.nber.org/papers/w21687
Where Does Voucher Funding Go? How Large-Scale Subsidy Programs Affect Private-School Revenue,...
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings...
https://afdc.energy.gov/case/1744
Alternative Fuels Data Center: Voucher Incentive Programs: Lessons From the States
alternative fuels data centerincentive programsfrom thevoucher