In the past teacher evaluations in the United States were something done almost for the sake of doing. They did not get published and they did not put a label on you. Everything has changed and this has become a very hot topic in the US.
Legislation in 2009 caused many states to make changes to how teachers are evaluated. the government proposed that this initiative would improve instruction.
The controversy came when evaluations will now take into consideration student achievement, as
measured by standardized scores, along with classroom observations.
Teachers now receive a label of ineffective, developing, effective or highly effect. This rating, depending on state and local regulations, can determine anything from if you are going to continue teaching to possibly receiving a financial bonus. Teachers, parents, and communities around the country are voicing their concerns, some agree but it seems like the vast majority of people are not happy with the road we are on.
Here is an article that may help understand where we are in this process of change: