Possible Clues:

• One and one at the head of the queue makes one 9 across
• The only one of a kind
• Being the only example
• Individual
• Educational institution in Paris that's without equal
• Queuing endlessly, misguidedly - there's no match!
• One question taken by a European sole
• Like no other
• Know-how, when University replaces Tech, is inimitable
• Peerless