Possible Clues:

• Admittedly, cross-index Eternal City
• Old boyfriend's French and meeting Queen in county town
• See one sending SMS without beginning to grasp English
• Cathedral city
• Thousand abandoning extreme 'new' city
• Fancy-boy prep school attended by Mark Zuckerberg and U.S. President Franklin Pierce
• For hearing, one that’s leaving city
• Cathedral city of southwest England
• What would you call Boatman, if he retired in the West Country?
• Cornwall tourist center