Life in Beijing is much better than back in rural Hebei, says Li: his wages cover the family's rent, tuition for the underground school for migrantchildren that his kids attend, as well as the odd night of karaoke.
Shanghai had 170, 000 students enrolled in high school in 2010, but there were 570, 000 migrantchildren aged 15 to 19 living in the city who were unable to attend those schools.