Possible Clues:

• Might be more sole between the poles
• Votes against euros finally, holding pound as important
• "... if you can believe it"
• One might still get on with a lesson like this just as much (2, 4)
• If the lesson has this one may get on with it
• There could be more than fifty in the broken noses
• Extract of phenol essence indeed!
• A little number minus more, maybe
• If the lesson gets like this you get on with it
• Head admits old student with expression of admiration