Possible Clues:

• Get it sort of straight again
• Exposed area reportedly became dull and rank again
• Again class note German artist of French extraction
• Change from B to A, say
• Part of educational foundation improperly agreed to alter mark
• Change a B to an A, say
• Give new status to head of research -- agreed after reorganisation
• Make an F a D+
• Alter rating
• Mark again