Original sentence: Mel's College is the oldest of these schools, being founded approximately 150 years ago by the Roman Catholic Bishop of Ardagh and Clonmacnois as a diocesan seminary to train students for the priesthood
Edited sentence: Mel's College is the oldest and best-known of these schools, being founded approximately 150 years ago by the Roman Catholic Bishop of Ardagh and Clonmacnois as a diocesan seminary to train students for the priesthood