The San Diego School District is sending back a military vehicle it had planned to use in rescue operations. The district had released renderings of what the MRAP might look like after its tan military color is repainted. This version shows it as a police vehicle. San Diego Unified School District hide caption

itoggle caption San Diego Unified School District

President Obama and Vice President Biden on Friday debuted the "It's On Us" campaign to help colleges and universities prevent and respond to sexual assault on campus. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Education experts faced off on the motion "Embrace the Common Core" at an Intelligence Squared U.S. debate, moderated by John Donvan (center). Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.

New York City Schools Chancellor Carmen Farina speaks with students Carlos Cruz and Lluvia Hernandez while visiting a school in Brooklyn earlier this year. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

Teachers are incorporating mobile technology and a digital sensibility into classroom lessons with assignments such as this one: to caption a historical photograph for teacher Nicholas Ferroni's high school history class in Union, N.J. Courtesy of Nicholas Ferroni hide caption

itoggle caption Courtesy of Nicholas Ferroni

Margaret Martin (right) poses with student Jose Correa during a Harmony Project open house at the Ramon C. Cortines School for Visual and Performing Arts in Los Angeles. Esteban Rael/Harmony Project hide caption

itoggle caption Esteban Rael/Harmony Project

The school district has released two renderings of what the MRAP might look like after its tan military color is painted over. In one version, it's police blue; another depicts it as more of an ambulance, white with a red cross. San Diego Unified School District hide caption

itoggle caption San Diego Unified School District

Students Dakota Gibson (left) and Gary Barber with school volunteer Kenny Thompson after their StoryCorps interview in Houston, Texas. StoryCorps hide caption

itoggle caption StoryCorps