The Alliance for the Separation of School and State is a nonprofit working to remove government involvement in public school education. It is based in Clovis, Calif. Alan Schaeffer is its president.

The J.M. Dawson Institute of Church-State Studies at Baylor University in Waco, Texas, is devoted to research in the broad area of religion, politics and society and committed to the separation of church and state and the advancement of religious liberty around the world.

The International Center for Law and Religion Studies at Brigham Young University in Provo, Utah, promotes religious liberty and studies the relationships between governments and religious institutions. W. Cole Durham Jr. is a law professor and the center’s director.

The Center for the Study of Law and Religion at Emory University in Atlanta focuses on religion and the law worldwide. It is headed by John Witte Jr., a professor of law and ethics and an expert on religious liberty.

The Center for Church-State Studies at DePaul University School of Law is a nondenominational entity that promotes debate and discussion about the First Amendment and the Establishment Clause. It is in Chicago.

The First Amendment Center published a guide for parents about religion in public schools.

The Education Department published a guide about freedom from religious discrimination at public schools.

Read Finding Common Ground: A Guide to Religious Liberty in Public Schools, a publication of the Freedom Forum, posted on its website.

The Arab World Institute is an organization founded in Paris in 1980 by 18 Arab countries with France to research and disseminate information about the Arab world and its cultural and spiritual values.  It functions as a museum and research center.