Berlin's Humboldt University — named for its founder, the 19th century philosopher and linguist Wilhelm von Humboldt, and his brother, naturalist Alexander von Humboldt, pictured here — is one of several German universities attracting U.S. students. More than 4,000 Americans are studying in German universities. Markus Schreiber/AP hide caption

itoggle caption Markus Schreiber/AP

Nine-year-old Q Daily, center, was born a girl, and just finished his first full school year as a boy. Brad Horrigan for NPR hide caption

itoggle caption Brad Horrigan for NPR

Sisters Jackie Carter Christian (left) and Chloe Marie Christian at the beach. Courtesy of the Christian family hide caption

itoggle caption Courtesy of the Christian family

Panama City's skyline. Arnulfo Franco/AP hide caption

itoggle caption Arnulfo Franco/AP

Mindy Przeor founded an after-school and summer running club in Mesa, Ariz. Jason Millstein for NPR hide caption

itoggle caption Jason Millstein for NPR

Berlin's Humboldt University — named for its founder, the 19th century philosopher and linguist Wilhelm von Humboldt, and his brother, naturalist Alexander von Humboldt, pictured here — is one of several German universities attracting U.S. students. More than 4,000 Americans are studying in German universities. Markus Schreiber/AP hide caption

itoggle caption Markus Schreiber/AP

Students wait outside Everest College in Industry, Calif., hoping to get their transcriptions and information on loan forgiveness and transferring credits to other schools. In April, the school was one of the last Corinthian Colleges campuses to close. Christine Armario/AP hide caption

itoggle caption Christine Armario/AP

Leukemia survivor Rhett Krawitt, 7, carries a box of petitions representing more than 30,000 people supporting a measure requiring nearly all California schoolchildren to be vaccinated. He took them to the governor's office at the Capitol in Sacramento, Calif., on Wednesday. The state Assembly voted Thursday to remove so-called "personal belief exemptions" for immunizations. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP
Screengrab from the film, Present Tense.

Lannie Castagne teaches first grade at Brimley Elementary School. She does monthly reading assessments to make sure her students are on track. Jennifer Guerra/Michigan Public Radio hide caption

itoggle caption Jennifer Guerra/Michigan Public Radio