The Bank of England in London in a photograph taken in March. The central bank inadvertently revealed that it was planning for a possible withdrawal of the U.K. from the European Union. Suzanne Plunkett/Reuters/Landov hide caption

toggle caption Suzanne Plunkett/Reuters/Landov

Future central bankers of Ridgefield High Jacob Goldstein/NPR hide caption

toggle caption Jacob Goldstein/NPR