The court will decide if a religious school operated by the Catholic church can open in Oklahoma as a charter receiving public money. The court is expected to hear the case in late April and to decide it by early summer, according to The Associated Press.

The Oklahoma Supreme Court agreed with the state of Oklahoma and blocked the opening of St. Isidore of Seville Catholic Virtual School, but recently, the U.S. Supreme Court agreed to hear the case. The school’s argument is essentially that the establishment clause,

For years, the Supreme Court has been expanding the boundaries of government aid to religious schools. St. Isidore’s case pushes the debate into new territory.