The constitutionality of religious charter schools remains an open question after the U.S. Supreme Court deadlocked, 4-4, over the St. Isidore of Seville Catholic Virtual School

In a 4-to-4 decision, the court upheld a ruling by the Oklahoma Supreme Court that blocked the school. An evenly divided Supreme Court rejected a plan on Thursday to allow Oklahoma to use government money to run the nation’s first religious charter school, which would teach a curriculum infused by Catholic doctrine.

The U.S. Supreme Court decided Thursday that the state of Oklahoma will not be permitted to create the first-ever religious public charter school with a deadlocked decision only a sentence in length.

Justice Amy Coney Barrett is facing backlash from the right for fiercely grilling a Trump administration lawyer over birthright citizenship.

The decision was made in Libby's favor by the mostly conservative court, with only Justices Ketanji Brown Jackson and Sonia Sotomayor choosing to deny the move. In her dissent, Justice Jackson said the filing didn't constitute an emergency as defined by the court,

The justices announced they were split 4-4 in a test case heard last month from Oklahoma, which blocks the new Catholic charter school in the state.

The case, a major test of the separation of church and state, was an unexpected loss for those advocating a greater role for religion in public life.

The Supreme Court split evenly Thursday in a high-profile challenge over the nation’s first religious charter school, leaving in place a ruling from Oklahoma’s top court that found the proposed Catholic school unconstitutional.

Justice Amy Coney Barrett's exchange with Trump Solicitor General John Sauer on court precedents in a birthright citizenship case draws attention and raises concerns among Trump allies.