No, but Georgetown Prep did. Brett Kavanaugh went there, as did Neil Gorsuch.
Non-co-ed private schools near each other sometimes function as one when it comes to sports and social functions. I used to sub at all girls’ school where the girls were cheerleaders for the boys’ football team. They were close enough that they shared some classes. Those happened to be Catholic schools, but the ones in Maryland probably functioned the same way.