Possible Clues:

• Organises the races for dogs - the classy favourites (7'1,4)
• Organised races - the step up for the classy favourites
• Classroom favorites
• Organised the races for preferred horses, for instance - the classy favourites (7'1,4)
• They take advantage of class prejudice in principle, say, as in the end they're treated like cats and dogs (7'1,4)
• Preferred ones
• School favorites
• Certain favorites