Possible Clues:

• Deceive girl, almost fashionable model
• Bluff, outspoken schoolgirl?
• Hear teacher at her desk teach badly
• Wrongly advise teacher to finish early in class
• Male is member of a class that could be fool
• Wrongly tell teacher losing tail-ender's playing well
• Give fake news to schoolgirl, say?
• Team at last is playing well -- fake news?
• Brief, wrongly maligned at first, does well currently?
• Wrongly advise girl to skip ending on song