We just discovered this excellent and exhaustive article exploring the revolt of Chicago’s African American teachers in 1960s. From Daily Kos’s Bob Simpson:
The revolt transformed Chicago public education, improving the curriculum and bringing more democracy into school policymaking. It also hastened the “white flight” of many white parents who believed racial politics in Chicago was a zero sum game, that gains by blacks must inevitably come at their expense. It helped pave the way for the election of the progressive Harold Washington, the city’s first black mayor, a man who deeply believed in the power of multi-racial coalitions.