On Monday in Detroit, Mich., a so-called "sickout" left nearly two-thirds of the city's public school system closed as teachers instead rallied together to address health and safety concerns.

The recent donation by Facebook owner Mark Zuckerberg of $100 million to Newark’s struggling schools stands in sharp contrast to a similar offer to another downtrodden city that, nearly a decade ago, decided to turn down a donation double that of Zuckerberg’s.