Possible Clues:

• For instance, seconds are 3ed
• Reprimanded
• Rebuked
• Reprimanded, as correct answers are not working
• Noted as present, but given a reprimand
• Reprimanded and removed from list
• After a short while, dandy's soundly rebuked
• Marked present and reprimanded
• Made correct mark at the start having been reprimanded
• Reprimanded for, by the sound of it, not having clocked on, perhaps