License Laws

I want to acquire an experience on the result-oriented performance appraisal of teachers of some countries since this method is creating a fuss in our schools. What is expected of teachers cannot be seen overnight like other sectors or business areas. The input of education shows the output, outcome, and Impact in a long period of time. So, how canweappraise teachers using accomplishments? I need to know experiences of other countries so that I can write a paper concerning this issue. Thank you in advance.