The Supreme Court’s approach toward religion in schools has been shifting, adding to uncertainty about legislation such as Louisiana’s.

A federal judge ruled Tuesday that a Louisiana state law requiring the Ten Commandments to be displayed in all public school classrooms is unconstitutional.

Lawyers for the state of Louisiana are asking a federal appeals court in New Orleans to immediately block a judge’s ruling ordering education officials to tell all local districts that a law requiring schools to post the Ten Commandments in classrooms is unconstitutional.