Support WBURTeaching Teachers In San Francisco, Calif.Midhun M. JosephAugust 24, 2012 ShareTeacher Carrie Sanderson in her classroom at El Dorado Elementary school in Visitation Valley, San Francisco. (Courtesy of SFTR)
Teacher Carrie Sanderson in her classroom at El Dorado Elementary school in Visitation Valley, San Francisco. (Courtesy of SFTR)