Possible Clues:

• Learner pulls up
• One who studies hard and pulls up
• A hard-working student, drunk, embraces wife
• Overly studious pupil
• Head scholar knows from the past how to study hard
• Excessively studious pupil
• Pulls up the student who works hard
• Very keen pupil pulls back
• Of student, study hard
• Bookworm, in Britspeak