In Washington, D.C., officials shortened a new teacher evaluation checklist after complaints from teachers and principals that it was too long and time-consuming.
In Memphis, Tenn., after a year of piloting new evaluations and a summer of training, some principals and teachers remained confused and overwhelmed.
In Louisiana, one expert warned of lawsuits as the state began to roll out a truncated observation system without first testing it.
But in New Haven, Conn., union officials and reformers alike have praised a collaborative effort to help teachers improve under the city’s new rating system.