I ' m sorry , but I really find it hard to believe you understand much about education . My folks were educators . They got performance reviews just like other professionals . Both were subject to probationary periods before being offered extended contracts . Hey weren ' t always perfectly happy at their jobs , but they felt valued . One parent left a job where they did not feel respected and went on to teach the rest of their career at another employer . Respect matters . As far as results , if you ' re talking student test scores that ' s hard to pin to any individual teacher . A kid that shows up ready to learn will do better than one who by circumstance is homeless , hungry , and sleep deprived . A kid whose parents let them be frequently absent or late will not do as well as the kid with nearperfect attendance . A tenth grade math teacher cannot undue the accumulated problems if the student entered their class struggling .