The UK Supreme Court ruled 6-3 in Mahmoud v. Taylor that parents have a constitutional right to opt their children out of school instruction containing content that conflicts with their religious beliefs.
The Court found that Montgomery County public schools failure to provide notice or opt-out options violated the parents Free Exercise rights and substantially interferes with the religious development of their children.
Lord Hodge emphasized that the policy likely would not survive strict scrutiny because the school board failed to show it was narrowly tailored to advance a compelling state interest, particularly since the board could have easily provided notice and an opt-out option as it had previously done.