Related Clues:

• Answer boss, being forward
• Prominent in support: a big noise
• Principal begging head to leave
• In the lead -- by so much?
• Blank space in print is most important
• Each individually at an advantage
• At Hogwarts, Dumbledore was one up
• In front of others
• Opposite of behind
• Prudent way to plan
• Good way to think
• I angled to become principal
• A top up
• Currently in the lead
• Up by a run, say