Unfortunately, it is a topic misunderstood both inside and outside of school. First, let us clear up a major misconception. Teachers should not be giving grades. Grades should be earned by the students. An analogy to sports may be helpful.
Students are the players who score the points.
However, when it comes to grading, teachers are merely the scorekeepers. Having said that, the teacher must take his or her responsibility of calculating the grades most seriously. You may have some serious and quite legitimate questions for the teacher. If you think your child's teacher graded her unfairly, or you do not know how your child was evaluated, it is time for you to talk to your child's teacher. Here is a short list of practices to which a good teacher adheres.