PBS ; written by Rachel Dretzin ; produced and directed by Rachel Dretzin and John Maggio ; a Frontline co-production with Ark Media, LLC ; WGBH Educational Foundation
produced by Learning Matters, Inc. ; executive producer & correspondent, John Merrow ; senior producer, John D. Tulenko ; producers, Carrie Glasser, John Heus, Shae Isaacs, David Wald