The United States Supreme Court has held that state educational programs providing remedial and enrichment courses within leased parochial school facilities violate the Establishment Clause of the first amendment.
Grand Rapids School District v. Ball, 105 S. Ct. 3216 (1985).
Constitutional Law - First Amendment - Establishment Clause,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol24/iss4/8