An image from a Connecticut State Police report on the shootings at Sandy Hook Elementary School shows a scene at 36 Yogananda St. in Newtown, Conn., where Adam Lanza killed his mother before driving to the school and killing 26 students and staff last December. AP hide caption

itoggle caption AP

A Panther Pride sign cheers Washington High School's undefeated football team amid debris from last week's tornado. Anthony Souffle/MCT /Landov hide caption

itoggle caption Anthony Souffle/MCT /Landov

Shayna Terrell is the outreach coordinator at Simon Gratz Mastery Charter School in Philadelphia. Matt Stanley for NPR hide caption

itoggle caption Matt Stanley for NPR

Pennsylvania Gov. Tom Corbett, a Republican, cut more than $1 billion from the state's K-12 budget, which hit the state-controlled Philadelphia district hardest. Matt Slocum/AP hide caption

itoggle caption Matt Slocum/AP

Third-grader Kassim West last July at Walter G. Smith Elementary School, one of more than 20 Philadelphia public schools that closed at the end of the school year. Matt Stanley for NPR hide caption

itoggle caption Matt Stanley for NPR

NASA's PhoneSat, a 4-by-4-inch CubeSat satellite, will use an Android smartphone as its motherboard. It was among the 29 satellites launched Tuesday from Wallops Island, Va. Another miniature satellite, developed by high school students, also was on board. Dominic Hart/AP hide caption

itoggle caption Dominic Hart/AP

Six students and a visitor have fallen ill with meningitis at Princeton University in New Jersey, shown here in August 2013. All have recovered or are recovering, officials said. Bloomberg via Getty Images hide caption

itoggle caption Bloomberg via Getty Images