Challenge to public-school district's grooming policy requiring boys to wear their hair short by parents of a Native American kindergartner who wears his hair long and in braids in accordance with his family's religious beliefs.

Challenge to a Ten Commandments monuments located in a public park in Nebraska.

Challenge to a judge's placement of a poster with the Ten Commandments in his courtroom.

Challenge to Ohio's theistic state motto, "With God All Things Are Possible," and to its inscription on the Ohio Statehouse.

Challenge to a Florida school district's policy encouraging voluntary student prayer at commencement exercises.

The Employee Retirement Income Security Act (ERISA) regulates employee-benefit plans to protect the interests of employees who participate in these plans. To avoid undue governmental intrusion in church affairs, the Act provides an exemption for plans established by churches. Some non-church entities have begun to claim this exemption.

Challenge to Detroit’s "Facade Improvement Program," under which tax dollars are used to reimburse property owners -- including churches -- for the costs of improvements to the exteriors of buildings.

Challenge to Utah policy of allowing the Utah Highway Patrol Association to erect twelve-foot-tall Latin crosses on state-owned land to memorialize and honor state troopers who have died in the line of duty.

Challenge to federal AmeriCorps program that provides monetary awards to progam participants who teach at parochial schools, where they often teach religion classes and lead students in prayer.

Challenge to InnerChange Freedom Initiative, a publicly supported, pervasively religious program for inmates in an Iowa prison.