Historically, private education has been an option mostly for families who could afford the cost or received financial help. Years of research have shown that many families would choose private schools and other educational resources for their children if they did not face insurmountable financial or geographical limitations. Private educational…

After "Zelman v. Simmons-Harris" (2002), civil conflict over use of vouchers and taxes to purchase private education, especially in religious schools, largely remained an issue for state courts' jurisprudence. However, in 2010, it returned to the U.S. Supreme Court when Arizona taxpayers challenged the constitutionality of the state's…