Vincent Flewellen leads a lesson on Ferguson during his eighth-grade multicultural studies course at Ladue Middle School. Tim Lloyd/St. Louis Public Radio hide caption
Former New York Mayor Michael Bloomberg was the No. 4 philanthropist in 2013, The Chronicle of Philanthropy reported. Bebeto Matthews/AP hide caption
Erin Pruckno, a preschool teacher in Washington, D.C. (clockwise from top left); Mei-Ling Uliasz, a second-grade teacher in Danbury, Conn.; Elizabeth Metzger, right, an educator in south Florida, with a friend at a football game; and Mathias "Spider" Schergen, who teaches at Jenner Elementary Academy of the Arts in Chicago. Elissa Nadworny/NPR (left column) and Courtesy of Mei-Ling Uliasz and Elizabeth "Biz" Metzger hide caption
Doll's-eye necklace pendant Courtesy of Mei-Ling Uliasz hide caption
Five-year-old Kyle Romain sits on the lap of his grandmother, Barbara Romain, at a football game. Kyle lost his sight when he was hit by a stray bullet two months ago. Eric Westervelt/NPR hide caption
The Limbic Reward System lights up when curiosity is piqued. LA Johnson/NPR hide caption
University of North Carolina system President Tom Ross and UNC Chapel Hill Chancellor Carol L. Folt talk during a special joint meeting of the UNC Board of Governors and the UNC Chapel Hill Board of Trustees on Wednesday. Gerry Broome/AP hide caption
Los Angeles Unified School District Superintendent John Deasy, seen in a photo taken last year, says his resignation Thursday was "by mutual agreement. Damian Dovarganes/AP hide caption
Schergen teaching his sixth-graders at Jenner Elementary Academy of the Arts in Chicago. Elissa Nadworny/NPR hide caption
Los Angeles Unified School District Superintendent John Deasy, seen in a photo taken last year, says his resignation Thursday was "by mutual agreement." Damian Dovarganes/AP hide caption