related_tweet: you'll notice that girls topped more in primary and secondary schools.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  now, in the university boys tend to outperform the girls... (i'm talking about at the extreme) check the ratio of best graduating students from departments they are more likely to be men than women.