Grades are not about equality. Grades are a model of what life will be. At your job you will be graded based on how well you are able to do the work that is re

Grades are not about equality. Grades are a model of what life will be. At your job you will be graded based on how well you are able to do the work that is required from you. When you apply for a loan you will be graded and receive a higher or lower interest rate based on how much of a risk you represent. It's imperfect, it's unequal, it discriminates. If you follow the rules you get better outcomes.