Cameron Anderson, 21, who went through several foster homes, completed homework in Tampa, Fla. <a href="//www.nytimes.com/2010/04/07/us/07foster.html">Go to related article </a><a href="//learning.blogs.nytimes.com/category/student-opinion/">»</a><a href="//www.nytimes.com/2010/04/07/us/07foster.html"> </a>