Schools use traditional grades such as homework, tests, and quizzes for many reasons and here is three of them, number one is they use traditional grading systems because that is just what they are use to, the second one is teachers can grade many items to determine what you have learned instead of just one simple grade, and the last one is the grades that a student may get are more accurate with more grades. If you have a bad grade you can use several other items to make that grade up unlike just one single grade where if you fail it you fail the class. A math professor by the name of harold osborne did some research on the subject and proved that 70% of students learned the items faster and more efficient with more grades and items to complete. Using several grades to determine if a students fails or not is way more efficient than just the one grade deciding their future. The traditional grading system is what most schools use and what they have always used and they should not change that to a new system that they would have to learn all over again. First, using a traditional grading system is what teachers have always used and have learned is efficient and doesn’t usually mess up. Teachers use it because they need to use something that they are use to using and something they know how to use efficiently. The traditional grading system is what most schools use and they do not need to change it any time soon. Grading is a process that needs to stay the same so that