The Supreme Court upheld the use of tax-support vouchers to attend private or parochial school in American Government Chapter 3 The Supreme Court upheld the use of tax-support vouchers to attend private or parochial school in A.) Engel v. Vitale B.) Griswold v. Connecticut C.) Zelman v. Simmons-Harris D.) Ashcroft v. Free speech coalition E.) miller v. California Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+