In the latest change, some New York teachers could appeal their "growth score" under new regulations approved by the state Board of Regents.
A study of nine districts finds that all of them have lost black teachers, some of them disproportionately.
The teachers' strike could be nearing its end, thanks to an apparent agreement by district and union.
State panels are looking at ways to boost leadership roles for teachers via changes to the salary schedule.
The organization had been run by co-chief executive officers, but now one of them is stepping down.
Seattle teachers picketed on the first day of the school year after negotiations with the district over wages and other issues broke down.
The TEACH-NOW Educatore School of Education plans to train 10,000 teachers over the next five years, up from 600.
Effective teachers signing onto a newly created initiative to mentor other teachers and reach more students could see thousands of dollars in additional pay.
The White House wants the so-called loophole in the federal HQT rules to be extended, warning that failure to do so could squeeze alternative certification programs.
The city's teaching force is much different from the one it had before Hurricane Katrina hit.