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 high court action is the latest in a string of judicial setbacks for the Trump administration’s effort to speed deportations of people in the country illegally.