While I would not thrust myself to give unbiased evaluations in high school or even at the start of college. But these days, I make an effort to always try and

While I would not thrust myself to give unbiased evaluations in high school or even at the start of college. But these days, I make an effort to always try and give valuable observations during student evaluations. Thus I feel like student evaluations should not be discarded, but its a bad idea to have them be the sole garant of teacher performance.