The other club affected by the ruling is the Tiger Inn.
He is a member of Tiger Inn, the third oldest eating club at Princeton University.
Tiger Inn is a selective club, meaning membership is awarded after successful completion of a process called bicker.
Tiger Inn's members have been active in literature and the arts.
Tiger Inn lists well over 30 members who gave their lives in the service of their country.
But the transition at the Tiger Inn may not be as smooth.
The first opportunity for the Tiger Inn to admit women will come early in February, following what is known as bicker week.
The Ivy and the Tiger Inn have remained closed to women.
In the case of the Tiger Inn, the decision to admit women was a voluntary choice on membership rules made by the undergraduate members.
The Court, without comment, let stand a ruling that the club, Tiger Inn, must admit women as members this year.