The Atlantic Coast Conference presidents have agreed for the league to retain media rights for a school that leaves the conference.

The league said Monday each of the current and future schools has signed the deal, which is effective immediately.

The grant of rights means any school that leaves would also have to leave its TV rights behind. Those rights would stay with the ACC, meaning the departing school wouldn't bring any added TV value to a new league's broadcast package.

It would essentially lock schools in through the existing TV deal, including eventual arrivals Pittsburgh, Syracuse, Notre Dame and Louisville.

The ACC is the fourth major conference to approve a grant of TV rights, joining the Big 12, Big Ten and Pac-12.