Possible Clues:

• In a run-down condition
• Unsavoury -- like an apple core?
• One-star, say
• Decrepit, as a building
• Far from ritzy
• Scruffy children — last thing academy needs
• Far from classy
• Top-class player, Yankee, run-down
• Record sounds grubby
• Shabby view on Doubleday's limits