Possible Clues:

• Place for marks
• Student's grade list
• It shows a pupil's grades
• Write-up of a student performance?
• *Performance evaluation
• A measure of the grades of rumour coming from Number 10
• Rumour is this comes from Number 10 and is some indication that lessons might have been learnt
• Progress indicator, of a sort
• Course record?
• Tell the police what gambler has sent to the Guardian for scholarly purposes