Possible Clues:

• Racer's edge
• Racer's advantage ... and what each part of the answers to starred clues can be
• Get the nod from principal getting a local job
• Early advantage
• Principal's fancy woman has an advantage
• Advantage gained by beginning early
• Certain unfair advantage
• Initial advantage coming from tail end? The complete opposite
• Bosses of acerbic nature have the advantage
• Initial advantage