The U.S. Supreme Court agreed on Friday to hear a bid by religious parents to keep their children out of classes in a Maryland public school district when LGBT storybooks are read, the latest case to come to the justices involving the intersection between religion and LGBT rights.

The Supreme Court will hear parents’ challenge to a Maryland school policy barring opt-outs from LGBT-themed lessons, citing religious rights concerns.

The Supreme Court on Friday took up a new dispute on the tensions between LGBT rights and religious rights by agreeing to hear a claim by parents of elementary school students in Maryland who objected to books available in classrooms concerning gender transition and same-sex relationships.