Bob Jones University v. United States (1983) held that the IRS may deny
tax-exempt status to institutions that violate racial policy, even if the
violations are based on religion.

In Dartmouth College v. Woodward (1819), the Supreme Court ruled that New
Hampshire had violated the contract clause and signaled church-state
disestablishment in New Hampshire.

In Hunt v. McNair (1973), the Court said allowing religious colleges to use
state bonds to finance non-religious buildings did not violate the First
Amendment.

Tilton v. Richardson (1971) found an act permitting federal aid for secular
buildings at religious universities did not violate the religious clauses
of the First Amendment.