【简答题】

  Rowena and Billy Wrangler are model high school
students . They study hard . They do extreme well on    
achievement tests . And next year , Rowena will attending    
Harvard University . Billy , her younger brother , hope to go    
to Cornell . That makes Rowena and Billy different from    
most  students is that they don’t go to school . In fact ,    
they've never been to school . Since a kindergarten , they    
have studied at home . Neither Rowena or Billy feels as if    
they have missed out on nothing by being taught at home .   
As many of the more than one million people who receive    
home schooling in the United States , they feel if they    
have gotten a good education .