Teenager Farzana, 13, lives in Ibrahim Hyderi near Karachi, Pakistan, and shares a room with up to 15 members of her extended family.
Both her mother and father work and Farzana also has to help supplement the family income by working as a maid, cleaning and washing, to earn $15 a month.
Farzana has only been in school for two years, but she hopes one day to become a teacher.