The Supreme Court has sided with religious parents who want to pull their children out of the classroom when a public school lesson uses LGBTQ storybooks.

The latest decision is a major legal win for religious interests at the conservative high court, and blurs the line that once clearly separated secular education from religious beliefs.

The Supreme Court last week ruled in favor of religious parents who demanded they should have the right to pull their children out of lessons that included topics such as same-sex marriage.