Possible Clues:

• His Royal Highness is at the stage of learning for operetta
• Snuggery secured by endlessly perceptive scholar
• Beethoven, to Haydn
• One learns of Parisian in thrilling exploit
• The boss went without head pupil
• Learner in part of hospital kept under by boss
• One who asks questions in school
• Person attending school
• Class attendant
• Person with a teacher