Written by attorneys · grounded in primary & secondary sources — see below
A biblical directive from sacred scripture whose mandated display on public school classroom walls serves a plainly religious purpose under the Establishment Clause.
Sources & Authorities
How it applies
Common Examples
6
Vocational Workshop Posters
Cassandra Cooper, a student at City of Lincoln vocational high school, must pass large framed posters listing ten directives introduced by the phrase Thou shalt each time she enters her required construction workshop. The school board adopted the posters after local builders proposed them to promote precise measurement and safe job-site practices. Felicity, Cassandra's parent, sues to enjoin the display, claiming the religious wording and origin create an official endorsement of religion in a compulsory setting.
Flag Salute Refusal
Cecilia Cabrera, a Jehovah's Witness student at a public elementary school, refuses to salute the flag because she views it as an image prohibited by the Second Commandment. School officials expel her for insubordination under a mandatory pledge policy. Her parents seek an injunction, arguing that compelling participation forces her to violate a religious commandment.
Select any source to read its text and confirm it supports the definition.
Cases
Dictionaries
West Virginia State Board of Education v. Barnette319 U.S. 624, 638 (1943)
Contraceptive Counseling Ban
Corinne Cho, a physician at a public health clinic, advises patients about contraceptive use despite a state statute criminalizing such advice. State officials prosecute her, claiming the statute aligns with moral directives similar to religious commandments. Cho challenges the law as an unconstitutional intrusion on privacy rights protected by the Constitution.
Griswold v. Connecticut381 U.S. 479 (1965)
Moment of Silence Statute
Craig Caldwell, a public school teacher, begins each class with a mandatory moment of silence after the legislature enacts a statute authorizing it for meditation or voluntary prayer referencing the First Commandment. Students including Cynthia Cortez object that the statute endorses religion by singling out prayer in a classroom setting. They sue to enjoin enforcement, arguing the law lacks a genuine secular purpose.
Wallace v. Jaffree472 U.S. 38, 113 (1985)
Released Time Religious Classes
Christopher Collins, a public school student, attends weekly religious instruction classes held inside the school building during regular school hours under a cooperative program with local churches that teach the Ten Commandments. His parent, Cynthia Cortez, sues the school board, contending that permitting sectarian teaching on school property during compulsory attendance time advances religion. The board defends the program as a neutral accommodation of student choice.
Illinois ex rel. McCollum v. Board of Education330 U.S. 1, 12 (1947)
Holiday Display Challenge
Crestview Holdings, a local business association, sponsors a city-sponsored holiday display that includes a nativity scene alongside secular symbols such as a Santa Claus figure and a menorah bearing the Ten Commandments. Residents including Cassandra Cooper sue the city, arguing that the inclusion of religious elements endorses Christianity. City officials respond that the overall context of the display renders any religious message incidental.
Lynch v. Donnelly465 U.S. 668, 694 (1984)
Common questions
Frequently Asked
3
Does a claimed secular purpose for posting the Ten Commandments in public school classrooms override the religious character of the display?+
No. Courts hold that a legislature's assertion of a secular purpose cannot override the inherently religious nature of the Ten Commandments when they are posted alone on classroom walls in a public school setting.
Supporting sources
Is a Ten Commandments display constitutional if limited to certain specialized classrooms such as navigation or engineering labs?+
No. The constitutional defect arises from mandating a sacred religious text in any public school instructional space without broader secular context, regardless of whether the requirement applies to every classroom or only a subset.
Supporting sources
Can a public school avoid an Establishment Clause violation by integrating Ten Commandments posters into discussions of ethics or professional values?+
No. When the text itself remains overtly religious and is displayed alone without genuine historical or comparative curricular integration, post-hoc secular framing does not cure the plainly religious purpose.
Supporting sources
381 U.S. 479 (1965)Constitutional Law
…the provisions of the First Amendment relating to religion, then most criminal laws would be invalidated. See, e. g. , the Ten Commandments. The Bible, Exodus 20:2-17 (King James). [^maj-37]: U. S. Constitution, Amendment I. If all the appellants had done was to advise people that they thought the use of contraceptives was…