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

itoggle caption Tim Lloyd/St. Louis Public Radio

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

itoggle caption Elissa Nadworny/NPR (left column) and Courtesy of Mei-Ling Uliasz and Elizabeth "Biz" Metzger

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

itoggle caption Eric Westervelt/NPR

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

itoggle caption Gerry Broome/AP

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

itoggle caption Damian Dovarganes/AP