A homeless girl yawns as she stands with other children at a School on Wheels' after-school program in Los Angeles

 
A homeless girl yawns as she stands with other children at a School on Wheels
Iana Williams (3rd R), 8, who is homeless, yawns as she stands with her sister, Keriell Williams (R), 5, and other children at a School on Wheels' after-school program in Los Angeles, February 9, 2012. School on Wheels provides tutoring and educational mentoring to homeless children. A recent report by the National Alliance to End Homelessness found that California's population of homeless families increased by five percent between 2009 and 2011. It is estimated that there are over 300,000 homeless children in California. REUTERS/Lucy Nicholson (UNITED STATES - Tags: EDUCATION SOCIETY)